mirror of
https://github.com/moparisthebest/curl
synced 2024-12-21 15:48:49 -05:00
make the "check" actually open all those file desciptors as well to make sure
it works, as it has proved to not work in some cases (like on Tor Arntsen's AIX 5100-06 xlc 5.0 --disable-shared runs).
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@ -40,8 +40,11 @@
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#if defined(HAVE_GETRLIMIT) && defined(HAVE_SETRLIMIT)
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static int fd[NUM_OPEN];
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static int rlimit(void)
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{
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int i;
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struct rlimit rl;
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fprintf(stderr, "NUM_OPEN: %d\n", NUM_OPEN);
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@ -57,7 +60,7 @@ static int rlimit(void)
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if (rl.rlim_max < NUM_NEEDED) {
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fprintf(stderr, "warning: RLIMIT_NOFILE hard limit %d < %d\n",
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(int)rl.rlim_max, NUM_NEEDED);
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return -1;
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return -2;
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}
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/* increase soft limit if needed */
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@ -65,16 +68,33 @@ static int rlimit(void)
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rl.rlim_cur = NUM_NEEDED;
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if (setrlimit(RLIMIT_NOFILE, &rl) == -1) {
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fprintf(stderr, "warning: setrlimit: failed to set RLIMIT_NOFILE\n");
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return -1;
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return -3;
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}
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}
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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] == -1) {
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fprintf(stderr, "open: failed to open %s\n", DEV_NULL);
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return -4;
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}
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/* create a bunch of file descriptors */
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for (i = 1; i < NUM_OPEN; i++) {
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fd[i] = dup(fd[0]);
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if (fd[i] == -1) {
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fprintf(stderr, "dup: attempt #%i failed\n", i);
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for (i--; i >= 0; i--)
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close(fd[i]);
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return -5;
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}
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}
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return 0;
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}
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int test(char *URL)
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{
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int fd[NUM_OPEN];
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int i;
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CURLcode res;
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CURL *curl;
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@ -91,32 +111,13 @@ int test(char *URL)
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/* failure */
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return 100;
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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] == -1) {
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fprintf(stderr, "open: failed to open %s\n", DEV_NULL);
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return CURLE_FAILED_INIT;
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}
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/* create a bunch of file descriptors */
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for (i = 1; i < NUM_OPEN; i++) {
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fd[i] = dup(fd[0]);
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if (fd[i] == -1) {
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fprintf(stderr, "dup: attempt #%i failed\n", i);
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for (i--; i >= 0; i--)
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close(fd[i]);
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return CURLE_FAILED_INIT;
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}
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}
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curl = curl_easy_init();
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curl_easy_setopt(curl, CURLOPT_URL, URL);
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curl_easy_setopt(curl, CURLOPT_HEADER, TRUE);
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res = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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for (i = 0; i < NUM_OPEN; i++)
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close(fd[i]);
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/* we never close the file descriptors */
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return (int)res;
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}
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