mirror of
https://github.com/moparisthebest/curl
synced 2025-02-28 17:31:46 -05:00
update and split test cases 518 and 537 into its own source code file
This commit is contained in:
Yang Tse
parent
e8d21adbaa
commit
2149a095f7
@ -103,7 +103,6 @@ lib517_SOURCES = lib517.c $(SUPPORTFILES)
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lib517_DEPENDENCIES = $(DEPENDENCIES)
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lib518_SOURCES = lib518.c $(SUPPORTFILES)
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lib518_CFLAGS = -DLIB518
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lib518_DEPENDENCIES = $(DEPENDENCIES)
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lib519_SOURCES = lib519.c $(SUPPORTFILES)
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@ -150,7 +149,6 @@ lib533_DEPENDENCIES = $(DEPENDENCIES)
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lib536_SOURCES = lib536.c $(SUPPORTFILES)
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lib536_DEPENDENCIES = $(DEPENDENCIES)
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lib537_SOURCES = lib518.c $(SUPPORTFILES)
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lib537_CFLAGS = -DLIB537
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lib537_SOURCES = lib537.c $(SUPPORTFILES)
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lib537_DEPENDENCIES = $(DEPENDENCIES)
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@ -8,56 +8,31 @@
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* $Id$
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*/
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/*
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* This source code is used for lib518 and lib537.
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*/
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#include "test.h"
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#ifdef HAVE_SYS_RESOURCE_H
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#include <sys/resource.h>
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#endif
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_LIMITS_H
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#include <limits.h>
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#endif
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#define _MPRINTF_REPLACE /* use our functions only */
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#include <mprintf.h>
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#ifdef HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#if defined(LIB518) && !defined(FD_SETSIZE)
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#ifndef FD_SETSIZE
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#error "this test requires FD_SETSIZE"
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#endif
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#ifdef LIB518
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#define SAFETY_MARGIN 16
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#define NUM_OPEN (FD_SETSIZE + 10)
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#define NUM_NEEDED (NUM_OPEN + SAFETY_MARGIN)
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#endif
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#ifdef LIB537
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#define SAFETY_MARGIN 5
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#endif
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#define MEMCHUNK_NITEMS 32000
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#define SAFETY_MARGIN (16)
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#define NUM_OPEN (FD_SETSIZE + 10)
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#define NUM_NEEDED (NUM_OPEN + SAFETY_MARGIN)
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#if defined(WIN32) || defined(_WIN32) || defined(MSDOS)
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#define DEV_NULL "NUL"
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@ -88,38 +63,31 @@ static int our_errno(void)
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static void store_errmsg(const char *msg, int err)
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{
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if (!err)
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snprintf(msgbuff, sizeof(msgbuff), "%s", msg);
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sprintf(msgbuff, "%s", msg);
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else
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snprintf(msgbuff, sizeof(msgbuff), "%s, errno %d, %s",
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msg, err, strerror(err));
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sprintf(msgbuff, "%s, errno %d, %s", msg, err, strerror(err));
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}
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static void close_file_descriptors(void)
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{
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fprintf(stderr, "closing file descriptors\n");
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for (num_open.rlim_cur = 0;
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num_open.rlim_cur < num_open.rlim_max;
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num_open.rlim_cur++)
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close(fd[num_open.rlim_cur]);
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if (fd[num_open.rlim_cur] > 0)
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close(fd[num_open.rlim_cur]);
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free(fd);
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fd = NULL;
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fprintf(stderr, "file descriptors closed\n");
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}
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static int rlimit(int keep_open)
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{
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#ifdef LIB537
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int *tmpfd;
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#endif
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int i;
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int nitems, i;
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int *memchunk = NULL;
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char *fmt;
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struct rlimit rl;
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char strbuff[256];
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char strbuff1[81];
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#ifdef LIB518
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char strbuff2[81];
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#endif
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char fmt_u[] = "%u";
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char fmt_lu[] = "%lu";
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#ifdef HAVE_LONGLONG
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@ -146,7 +114,7 @@ static int rlimit(int keep_open)
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strcpy(strbuff, "INFINITY");
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else
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#endif
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snprintf(strbuff, sizeof(strbuff), fmt, rl.rlim_cur);
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sprintf(strbuff, fmt, rl.rlim_cur);
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fprintf(stderr, "initial soft limit: %s\n", strbuff);
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#ifdef RLIM_INFINITY
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@ -154,16 +122,14 @@ static int rlimit(int keep_open)
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strcpy(strbuff, "INFINITY");
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else
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#endif
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snprintf(strbuff, sizeof(strbuff), fmt, rl.rlim_max);
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sprintf(strbuff, fmt, rl.rlim_max);
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fprintf(stderr, "initial hard limit: %s\n", strbuff);
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#ifdef LIB518
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/* show our constants */
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fprintf(stderr, "test518 FD_SETSIZE: %d\n", FD_SETSIZE);
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fprintf(stderr, "test518 NUM_OPEN : %d\n", NUM_OPEN);
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fprintf(stderr, "test518 NUM_NEEDED: %d\n", NUM_NEEDED);
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#endif
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/*
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* if soft limit and hard limit are different we ask the
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@ -199,7 +165,7 @@ static int rlimit(int keep_open)
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strcpy(strbuff, "INFINITY");
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else
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#endif
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snprintf(strbuff, sizeof(strbuff), fmt, rl.rlim_cur);
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sprintf(strbuff, fmt, rl.rlim_cur);
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fprintf(stderr, "current soft limit: %s\n", strbuff);
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#ifdef RLIM_INFINITY
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@ -207,7 +173,7 @@ static int rlimit(int keep_open)
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strcpy(strbuff, "INFINITY");
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else
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#endif
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snprintf(strbuff, sizeof(strbuff), fmt, rl.rlim_max);
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sprintf(strbuff, fmt, rl.rlim_max);
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fprintf(stderr, "current hard limit: %s\n", strbuff);
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} /* (rl.rlim_cur != rl.rlim_max) */
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@ -218,15 +184,8 @@ static int rlimit(int keep_open)
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* This means that if for any reason we are not able to
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* open more than FD_SETSIZE file descriptors then test
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* 518 should not be run.
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*
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* test 537 is all about testing libcurl functionality
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* when the system has nearly exhausted the number of
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* free file descriptors. Test 537 will try to run with
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* very few free file descriptors.
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*/
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#ifdef LIB518
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/*
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* verify that soft limit is higher than NUM_NEEDED,
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* number of file descriptors we would try to open
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@ -240,17 +199,15 @@ static int rlimit(int keep_open)
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(rl.rlim_cur != RLIM_INFINITY) &&
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#endif
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(rl.rlim_cur <= num_open.rlim_cur)) {
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snprintf(strbuff2, sizeof(strbuff2), fmt, rl.rlim_cur);
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snprintf(strbuff1, sizeof(strbuff1), fmt, num_open.rlim_cur);
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snprintf(strbuff, sizeof(strbuff), "fd needed (%s) > "
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"system limit (%s)", strbuff1, strbuff2);
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sprintf(strbuff2, fmt, rl.rlim_cur);
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sprintf(strbuff1, fmt, num_open.rlim_cur);
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sprintf(strbuff, "fd needed (%s) > system limit (%s)",
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strbuff1, strbuff2);
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store_errmsg(strbuff, 0);
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fprintf(stderr, "%s\n", msgbuff);
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return -6;
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return -4;
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}
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#endif /* LIB518 */
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/*
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* reserve a chunk of memory before opening file descriptors to
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* avoid a low memory condition once the file descriptors are
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@ -260,7 +217,12 @@ static int rlimit(int keep_open)
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* that it becomes available to the test.
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*/
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memchunk = malloc(sizeof(*memchunk) * MEMCHUNK_NITEMS);
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nitems = INT_MAX / sizeof(*memchunk);
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do {
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memchunk = malloc(sizeof(*memchunk) * (size_t)nitems);
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if (!memchunk)
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nitems /= 2;
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} while (nitems && !memchunk);
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if (!memchunk) {
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store_errmsg("memchunk, malloc() failed", our_errno());
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fprintf(stderr, "%s\n", msgbuff);
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@ -269,44 +231,28 @@ static int rlimit(int keep_open)
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/* initialize it to fight lazy allocation */
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for (i = 0; i < MEMCHUNK_NITEMS; i++)
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for (i = 0; i < nitems; i++)
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memchunk[i] = -1;
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/* set the number of file descriptors we will try to open to ... */
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/* set the number of file descriptors we will try to open */
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#ifdef LIB518
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/* NUM_OPEN */
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num_open.rlim_max = NUM_OPEN;
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#endif
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#ifdef LIB537
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#ifdef RLIM_INFINITY
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if ((rl.rlim_cur > 0) && (rl.rlim_cur != RLIM_INFINITY)) {
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#else
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if (rl.rlim_cur > 0) {
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#endif
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/* soft limit minus SAFETY_MARGIN */
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num_open.rlim_max = rl.rlim_cur - SAFETY_MARGIN;
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}
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else {
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/* biggest file descriptor array size */
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num_open.rlim_max = INT_MAX;
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}
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#endif /* LIB537 */
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/* verify that we won't overflow size_t in malloc() */
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if (num_open.rlim_max > ((size_t)-1) / sizeof(*fd)) {
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snprintf(strbuff1, sizeof(strbuff1), fmt, num_open.rlim_max);
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snprintf(strbuff, sizeof(strbuff), "unable to allocate an array for %s "
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"file descriptors, would overflow size_t", strbuff1);
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sprintf(strbuff1, fmt, num_open.rlim_max);
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sprintf(strbuff, "unable to allocate an array for %s "
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"file descriptors, would overflow size_t", strbuff1);
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store_errmsg(strbuff, 0);
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fprintf(stderr, "%s\n", msgbuff);
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free(memchunk);
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return -8;
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}
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snprintf(strbuff, sizeof(strbuff), fmt, num_open.rlim_max);
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/* allocate array for file descriptors */
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sprintf(strbuff, fmt, num_open.rlim_max);
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fprintf(stderr, "allocating array for %s file descriptors\n", strbuff);
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fd = malloc(sizeof(*fd) * (size_t)(num_open.rlim_max));
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@ -324,14 +270,14 @@ static int rlimit(int keep_open)
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num_open.rlim_cur++)
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fd[num_open.rlim_cur] = -1;
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snprintf(strbuff, sizeof(strbuff), fmt, num_open.rlim_max);
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sprintf(strbuff, fmt, num_open.rlim_max);
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fprintf(stderr, "trying to open %s file descriptors\n", strbuff);
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/* open a dummy descriptor */
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fd[0] = open(DEV_NULL, O_RDONLY);
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if (fd[0] < 0) {
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snprintf(strbuff, sizeof(strbuff), "opening of %s failed", DEV_NULL);
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sprintf(strbuff, "opening of %s failed", DEV_NULL);
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store_errmsg(strbuff, our_errno());
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fprintf(stderr, "%s\n", msgbuff);
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free(fd);
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@ -342,8 +288,6 @@ static int rlimit(int keep_open)
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/* create a bunch of file descriptors */
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#ifdef LIB518
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for (num_open.rlim_cur = 1;
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num_open.rlim_cur < num_open.rlim_max;
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num_open.rlim_cur++) {
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@ -355,19 +299,17 @@ static int rlimit(int keep_open)
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fd[num_open.rlim_cur] = -1;
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num_open.rlim_max = NUM_NEEDED;
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snprintf(strbuff2, sizeof(strbuff2), fmt, num_open.rlim_max);
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snprintf(strbuff1, sizeof(strbuff1), fmt, num_open.rlim_cur);
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snprintf(strbuff, sizeof(strbuff), "fd needed (%s) > "
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"system limit (%s)", strbuff2, strbuff1);
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sprintf(strbuff2, fmt, num_open.rlim_max);
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sprintf(strbuff1, fmt, num_open.rlim_cur);
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sprintf(strbuff, "fd needed (%s) > system limit (%s)",
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strbuff2, strbuff1);
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store_errmsg(strbuff, 0);
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fprintf(stderr, "%s\n", msgbuff);
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fprintf(stderr, "closing file descriptors\n");
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for (num_open.rlim_cur = 0;
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fd[num_open.rlim_cur] >= 0;
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num_open.rlim_cur++)
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close(fd[num_open.rlim_cur]);
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fprintf(stderr, "file descriptors closed\n");
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free(fd);
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fd = NULL;
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free(memchunk);
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@ -377,64 +319,7 @@ static int rlimit(int keep_open)
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}
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#endif /* LIB518 */
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#ifdef LIB537
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for (num_open.rlim_cur = 1;
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num_open.rlim_cur < num_open.rlim_max;
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num_open.rlim_cur++) {
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fd[num_open.rlim_cur] = dup(fd[0]);
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if (fd[num_open.rlim_cur] < 0) {
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fd[num_open.rlim_cur] = -1;
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snprintf(strbuff1, sizeof(strbuff1), fmt, num_open.rlim_cur);
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snprintf(strbuff, sizeof(strbuff), "dup() attempt %s failed", strbuff1);
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fprintf(stderr, "%s\n", strbuff);
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snprintf(strbuff1, sizeof(strbuff1), fmt, num_open.rlim_cur + 2);
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snprintf(strbuff, sizeof(strbuff), "system does not support opening "
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"more than %s files" , strbuff1);
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fprintf(stderr, "%s\n", strbuff);
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num_open.rlim_max = num_open.rlim_cur + 2 - SAFETY_MARGIN;
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num_open.rlim_cur -= num_open.rlim_max;
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snprintf(strbuff1, sizeof(strbuff1), fmt, num_open.rlim_cur);
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snprintf(strbuff, sizeof(strbuff), "closing %s files", strbuff1);
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fprintf(stderr, "%s\n", strbuff);
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for (num_open.rlim_cur = num_open.rlim_max;
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fd[num_open.rlim_cur] >= 0;
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num_open.rlim_cur++) {
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close(fd[num_open.rlim_cur]);
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fd[num_open.rlim_cur] = -1;
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}
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snprintf(strbuff, sizeof(strbuff1), fmt, num_open.rlim_max);
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fprintf(stderr, "shrinking array for %s file descriptors\n", strbuff);
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tmpfd = realloc(fd, sizeof(*fd) * (size_t)(num_open.rlim_max));
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if (!tmpfd) {
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snprintf(strbuff, sizeof(strbuff), "fd, realloc() failed, "
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"errno %d, %s", our_errno(), strerror(our_errno()));
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fprintf(stderr, "%s\n", strbuff);
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}
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else {
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fd = tmpfd;
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tmpfd = NULL;
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}
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}
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}
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#endif /* LIB537 */
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snprintf(strbuff, sizeof(strbuff), fmt, num_open.rlim_max);
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sprintf(strbuff, fmt, num_open.rlim_max);
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fprintf(stderr, "%s file descriptors open\n", strbuff);
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/* free the chunk of memory we were reserving so that it
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@ -458,7 +343,6 @@ int test(char *URL)
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if(!strcmp(URL, "check")) {
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/* used by the test script to ask if we can run this test or not */
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if(rlimit(FALSE)) {
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fprintf(stderr, "Previous condition prevents running this test\n");
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fprintf(stdout, "rlimit problem: %s\n", msgbuff);
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return 1;
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}
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@ -467,12 +351,9 @@ int test(char *URL)
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if (rlimit(TRUE)) {
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/* failure */
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fprintf(stderr, "Previous condition aborts this test\n");
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return TEST_ERR_MAJOR_BAD;
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}
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fprintf(stderr, "running test...\n");
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/* run the test with the bunch of open file descriptors
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and close them all once the test is over */
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@ -500,12 +381,14 @@ int test(char *URL)
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return (int)res;
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}
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#else
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/* system lacks getrlimit() and/or setrlimit() */
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#else /* defined(HAVE_GETRLIMIT) && defined(HAVE_SETRLIMIT) */
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int test(char *URL)
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{
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(void)URL;
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printf("system lacks necessary system function(s)");
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return 1;
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return 1; /* skip test */
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}
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#endif
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#endif /* defined(HAVE_GETRLIMIT) && defined(HAVE_SETRLIMIT) */
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399
tests/libtest/lib537.c
Normal file
399
tests/libtest/lib537.c
Normal file
@ -0,0 +1,399 @@
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/*****************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* $Id$
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*/
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/*
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* This source code is used for lib518 and lib537.
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*/
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#include "test.h"
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
|
||||
#ifdef HAVE_SYS_RESOURCE_H
|
||||
#include <sys/resource.h>
|
||||
#endif
|
||||
#ifdef HAVE_FCNTL_H
|
||||
#include <fcntl.h>
|
||||
#endif
|
||||
#ifdef HAVE_LIMITS_H
|
||||
#include <limits.h>
|
||||
#endif
|
||||
#ifdef HAVE_STRING_H
|
||||
#include <string.h>
|
||||
#endif
|
||||
|
||||
#define SAFETY_MARGIN (10)
|
||||
|
||||
#if defined(WIN32) || defined(_WIN32) || defined(MSDOS)
|
||||
#define DEV_NULL "NUL"
|
||||
#else
|
||||
#define DEV_NULL "/dev/null"
|
||||
#endif
|
||||
|
||||
#if defined(HAVE_GETRLIMIT) && defined(HAVE_SETRLIMIT)
|
||||
|
||||
static int *fd = NULL;
|
||||
static struct rlimit num_open;
|
||||
static char msgbuff[256];
|
||||
|
||||
/*
|
||||
* our_errno() returns the NOT *socket-related* errno (or equivalent)
|
||||
* on this platform to hide platform specific for the calling function.
|
||||
*/
|
||||
|
||||
static int our_errno(void)
|
||||
{
|
||||
#ifdef WIN32
|
||||
return (int)GetLastError();
|
||||
#else
|
||||
return errno;
|
||||
#endif
|
||||
}
|
||||
|
||||
static void store_errmsg(const char *msg, int err)
|
||||
{
|
||||
if (!err)
|
||||
sprintf(msgbuff, "%s", msg);
|
||||
else
|
||||
sprintf(msgbuff, "%s, errno %d, %s", msg, err, strerror(err));
|
||||
}
|
||||
|
||||
static void close_file_descriptors(void)
|
||||
{
|
||||
for (num_open.rlim_cur = 0;
|
||||
num_open.rlim_cur < num_open.rlim_max;
|
||||
num_open.rlim_cur++)
|
||||
if (fd[num_open.rlim_cur] > 0)
|
||||
close(fd[num_open.rlim_cur]);
|
||||
free(fd);
|
||||
fd = NULL;
|
||||
}
|
||||
|
||||
static int rlimit(int keep_open)
|
||||
{
|
||||
int *tmpfd;
|
||||
int nitems, i;
|
||||
int *memchunk = NULL;
|
||||
char *fmt;
|
||||
struct rlimit rl;
|
||||
char strbuff[256];
|
||||
char strbuff1[81];
|
||||
char fmt_u[] = "%u";
|
||||
char fmt_lu[] = "%lu";
|
||||
#ifdef HAVE_LONGLONG
|
||||
char fmt_llu[] = "%llu";
|
||||
|
||||
if (sizeof(rl.rlim_max) > sizeof(long))
|
||||
fmt = fmt_llu;
|
||||
else
|
||||
#endif
|
||||
fmt = (sizeof(rl.rlim_max) < sizeof(long))?fmt_u:fmt_lu;
|
||||
|
||||
/* get initial open file limits */
|
||||
|
||||
if (getrlimit(RLIMIT_NOFILE, &rl) != 0) {
|
||||
store_errmsg("getrlimit() failed", our_errno());
|
||||
fprintf(stderr, "%s\n", msgbuff);
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* show initial open file limits */
|
||||
|
||||
#ifdef RLIM_INFINITY
|
||||
if (rl.rlim_cur == RLIM_INFINITY)
|
||||
strcpy(strbuff, "INFINITY");
|
||||
else
|
||||
#endif
|
||||
sprintf(strbuff, fmt, rl.rlim_cur);
|
||||
fprintf(stderr, "initial soft limit: %s\n", strbuff);
|
||||
|
||||
#ifdef RLIM_INFINITY
|
||||
if (rl.rlim_max == RLIM_INFINITY)
|
||||
strcpy(strbuff, "INFINITY");
|
||||
else
|
||||
#endif
|
||||
sprintf(strbuff, fmt, rl.rlim_max);
|
||||
fprintf(stderr, "initial hard limit: %s\n", strbuff);
|
||||
|
||||
/*
|
||||
* if soft limit and hard limit are different we ask the
|
||||
* system to raise soft limit all the way up to the hard
|
||||
* limit. Due to some other system limit the soft limit
|
||||
* might not be raised up to the hard limit. So from this
|
||||
* point the resulting soft limit is our limit. Trying to
|
||||
* open more than soft limit file descriptors will fail.
|
||||
*/
|
||||
|
||||
if (rl.rlim_cur != rl.rlim_max) {
|
||||
|
||||
fprintf(stderr, "raising soft limit up to hard limit\n");
|
||||
rl.rlim_cur = rl.rlim_max;
|
||||
if (setrlimit(RLIMIT_NOFILE, &rl) != 0) {
|
||||
store_errmsg("setrlimit() failed", our_errno());
|
||||
fprintf(stderr, "%s\n", msgbuff);
|
||||
return -2;
|
||||
}
|
||||
|
||||
/* get current open file limits */
|
||||
|
||||
if (getrlimit(RLIMIT_NOFILE, &rl) != 0) {
|
||||
store_errmsg("getrlimit() failed", our_errno());
|
||||
fprintf(stderr, "%s\n", msgbuff);
|
||||
return -3;
|
||||
}
|
||||
|
||||
/* show current open file limits */
|
||||
|
||||
#ifdef RLIM_INFINITY
|
||||
if (rl.rlim_cur == RLIM_INFINITY)
|
||||
strcpy(strbuff, "INFINITY");
|
||||
else
|
||||
#endif
|
||||
sprintf(strbuff, fmt, rl.rlim_cur);
|
||||
fprintf(stderr, "current soft limit: %s\n", strbuff);
|
||||
|
||||
#ifdef RLIM_INFINITY
|
||||
if (rl.rlim_max == RLIM_INFINITY)
|
||||
strcpy(strbuff, "INFINITY");
|
||||
else
|
||||
#endif
|
||||
sprintf(strbuff, fmt, rl.rlim_max);
|
||||
fprintf(stderr, "current hard limit: %s\n", strbuff);
|
||||
|
||||
} /* (rl.rlim_cur != rl.rlim_max) */
|
||||
|
||||
/*
|
||||
* test 537 is all about testing libcurl functionality
|
||||
* when the system has nearly exhausted the number of
|
||||
* free file descriptors. Test 537 will try to run with
|
||||
* very few free file descriptors.
|
||||
*/
|
||||
|
||||
/*
|
||||
* reserve a chunk of memory before opening file descriptors to
|
||||
* avoid a low memory condition once the file descriptors are
|
||||
* open. System conditions that could make the test fail should
|
||||
* be addressed in the precheck phase. This chunk of memory shall
|
||||
* be always free()ed before exiting the rlimit() function so
|
||||
* that it becomes available to the test.
|
||||
*/
|
||||
|
||||
nitems = INT_MAX / sizeof(*memchunk);
|
||||
do {
|
||||
memchunk = malloc(sizeof(*memchunk) * (size_t)nitems);
|
||||
if (!memchunk)
|
||||
nitems /= 2;
|
||||
} while (nitems && !memchunk);
|
||||
if (!memchunk) {
|
||||
store_errmsg("memchunk, malloc() failed", our_errno());
|
||||
fprintf(stderr, "%s\n", msgbuff);
|
||||
return -7;
|
||||
}
|
||||
|
||||
/* initialize it to fight lazy allocation */
|
||||
|
||||
for (i = 0; i < nitems; i++)
|
||||
memchunk[i] = -1;
|
||||
|
||||
/* set the number of file descriptors we will try to open */
|
||||
|
||||
#ifdef RLIM_INFINITY
|
||||
if ((rl.rlim_cur > 0) && (rl.rlim_cur != RLIM_INFINITY)) {
|
||||
#else
|
||||
if (rl.rlim_cur > 0) {
|
||||
#endif
|
||||
/* soft limit minus SAFETY_MARGIN */
|
||||
num_open.rlim_max = rl.rlim_cur - SAFETY_MARGIN;
|
||||
}
|
||||
else {
|
||||
/* biggest file descriptor array size */
|
||||
num_open.rlim_max = INT_MAX / sizeof(*fd);
|
||||
}
|
||||
|
||||
/* verify that we won't overflow size_t in malloc() */
|
||||
|
||||
if (num_open.rlim_max > ((size_t)-1) / sizeof(*fd)) {
|
||||
sprintf(strbuff1, fmt, num_open.rlim_max);
|
||||
sprintf(strbuff, "unable to allocate an array for %s "
|
||||
"file descriptors, would overflow size_t", strbuff1);
|
||||
store_errmsg(strbuff, 0);
|
||||
fprintf(stderr, "%s\n", msgbuff);
|
||||
free(memchunk);
|
||||
return -8;
|
||||
}
|
||||
|
||||
/* allocate array for file descriptors */
|
||||
|
||||
do {
|
||||
sprintf(strbuff, fmt, num_open.rlim_max);
|
||||
fprintf(stderr, "allocating array for %s file descriptors\n", strbuff);
|
||||
fd = malloc(sizeof(*fd) * (size_t)(num_open.rlim_max));
|
||||
if (!fd) {
|
||||
fprintf(stderr, "fd, malloc() failed\n");
|
||||
num_open.rlim_max /= 2;
|
||||
}
|
||||
} while (num_open.rlim_max && !fd);
|
||||
if (!fd) {
|
||||
store_errmsg("fd, malloc() failed", our_errno());
|
||||
fprintf(stderr, "%s\n", msgbuff);
|
||||
free(memchunk);
|
||||
return -9;
|
||||
}
|
||||
|
||||
/* initialize it to fight lazy allocation */
|
||||
|
||||
for (num_open.rlim_cur = 0;
|
||||
num_open.rlim_cur < num_open.rlim_max;
|
||||
num_open.rlim_cur++)
|
||||
fd[num_open.rlim_cur] = -1;
|
||||
|
||||
sprintf(strbuff, fmt, num_open.rlim_max);
|
||||
fprintf(stderr, "trying to open %s file descriptors\n", strbuff);
|
||||
|
||||
/* open a dummy descriptor */
|
||||
|
||||
fd[0] = open(DEV_NULL, O_RDONLY);
|
||||
if (fd[0] < 0) {
|
||||
sprintf(strbuff, "opening of %s failed", DEV_NULL);
|
||||
store_errmsg(strbuff, our_errno());
|
||||
fprintf(stderr, "%s\n", msgbuff);
|
||||
free(fd);
|
||||
fd = NULL;
|
||||
free(memchunk);
|
||||
return -10;
|
||||
}
|
||||
|
||||
/* create a bunch of file descriptors */
|
||||
|
||||
for (num_open.rlim_cur = 1;
|
||||
num_open.rlim_cur < num_open.rlim_max;
|
||||
num_open.rlim_cur++) {
|
||||
|
||||
fd[num_open.rlim_cur] = dup(fd[0]);
|
||||
|
||||
if (fd[num_open.rlim_cur] < 0) {
|
||||
|
||||
fd[num_open.rlim_cur] = -1;
|
||||
|
||||
sprintf(strbuff1, fmt, num_open.rlim_cur);
|
||||
sprintf(strbuff, "dup() attempt %s failed", strbuff1);
|
||||
fprintf(stderr, "%s\n", strbuff);
|
||||
|
||||
sprintf(strbuff1, fmt, num_open.rlim_cur + 2);
|
||||
sprintf(strbuff, "system does not support opening "
|
||||
"more than %s files" , strbuff1);
|
||||
fprintf(stderr, "%s\n", strbuff);
|
||||
|
||||
num_open.rlim_max = num_open.rlim_cur + 2 - SAFETY_MARGIN;
|
||||
|
||||
num_open.rlim_cur -= num_open.rlim_max;
|
||||
sprintf(strbuff1, fmt, num_open.rlim_cur);
|
||||
sprintf(strbuff, "closing %s files", strbuff1);
|
||||
fprintf(stderr, "%s\n", strbuff);
|
||||
|
||||
for (num_open.rlim_cur = num_open.rlim_max;
|
||||
fd[num_open.rlim_cur] >= 0;
|
||||
num_open.rlim_cur++) {
|
||||
close(fd[num_open.rlim_cur]);
|
||||
fd[num_open.rlim_cur] = -1;
|
||||
}
|
||||
|
||||
sprintf(strbuff, fmt, num_open.rlim_max);
|
||||
fprintf(stderr, "shrinking array for %s file descriptors\n", strbuff);
|
||||
|
||||
tmpfd = realloc(fd, sizeof(*fd) * (size_t)(num_open.rlim_max));
|
||||
if (!tmpfd) {
|
||||
sprintf(strbuff, "fd, realloc() failed, "
|
||||
"errno %d, %s", our_errno(), strerror(our_errno()));
|
||||
fprintf(stderr, "%s\n", strbuff);
|
||||
}
|
||||
else {
|
||||
fd = tmpfd;
|
||||
tmpfd = NULL;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
sprintf(strbuff, fmt, num_open.rlim_max);
|
||||
fprintf(stderr, "%s file descriptors open\n", strbuff);
|
||||
|
||||
/* free the chunk of memory we were reserving so that it
|
||||
becomes becomes available to the test */
|
||||
|
||||
free(memchunk);
|
||||
|
||||
/* close file descriptors unless instructed to keep them */
|
||||
if (!keep_open) {
|
||||
close_file_descriptors();
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int test(char *URL)
|
||||
{
|
||||
CURLcode res;
|
||||
CURL *curl;
|
||||
|
||||
if(!strcmp(URL, "check")) {
|
||||
/* used by the test script to ask if we can run this test or not */
|
||||
if(rlimit(FALSE)) {
|
||||
fprintf(stdout, "rlimit problem: %s\n", msgbuff);
|
||||
return 1;
|
||||
}
|
||||
return 0; /* sure, run this! */
|
||||
}
|
||||
|
||||
if (rlimit(TRUE)) {
|
||||
/* failure */
|
||||
return TEST_ERR_MAJOR_BAD;
|
||||
}
|
||||
|
||||
/* run the test with the bunch of open file descriptors
|
||||
and close them all once the test is over */
|
||||
|
||||
if (curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
|
||||
fprintf(stderr, "curl_global_init() failed\n");
|
||||
close_file_descriptors();
|
||||
return TEST_ERR_MAJOR_BAD;
|
||||
}
|
||||
|
||||
if ((curl = curl_easy_init()) == NULL) {
|
||||
fprintf(stderr, "curl_easy_init() failed\n");
|
||||
close_file_descriptors();
|
||||
curl_global_cleanup();
|
||||
return TEST_ERR_MAJOR_BAD;
|
||||
}
|
||||
|
||||
curl_easy_setopt(curl, CURLOPT_URL, URL);
|
||||
curl_easy_setopt(curl, CURLOPT_HEADER, TRUE);
|
||||
|
||||
res = curl_easy_perform(curl);
|
||||
|
||||
close_file_descriptors();
|
||||
curl_easy_cleanup(curl);
|
||||
curl_global_cleanup();
|
||||
|
||||
return (int)res;
|
||||
}
|
||||
|
||||
#else /* defined(HAVE_GETRLIMIT) && defined(HAVE_SETRLIMIT) */
|
||||
|
||||
int test(char *URL)
|
||||
{
|
||||
(void)URL;
|
||||
printf("system lacks necessary system function(s)");
|
||||
return 1; /* skip test */
|
||||
}
|
||||
|
||||
#endif /* defined(HAVE_GETRLIMIT) && defined(HAVE_SETRLIMIT) */
|
||||
Loading…
x
Reference in New Issue
Block a user