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when using select() instead of poll, skip the test if the number of

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open file descriptors is greater than FD_SETSIZE minus SAFETY_MARGIN,
also skip the test if any of the open file descriptors has a number
greater than FD_SETSIZE minus SAFETY_MARGIN.
This commit is contained in:
Yang Tse 2007-01-31 15:34:53 +00:00
parent e485a23a3e
commit c2639e0738
2 changed files with 56 additions and 18 deletions
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33
tests/libtest/lib518.c
View File

@ -360,16 +360,31 @@ static int rlimit(int keep_open)
* with an indication that select limit would be exceeded.
*/
sprintf(strbuff2, fmt, num_open.rlim_max);
sprintf(strbuff, "fds open %s > select limit %d",
strbuff2, FD_SETSIZE);
store_errmsg(strbuff, 0);
fprintf(stderr, "%s\n", msgbuff);
close_file_descriptors();
free(memchunk);
return -10;
num_open.rlim_cur = FD_SETSIZE - SAFETY_MARGIN;
if (num_open.rlim_max > num_open.rlim_cur) {
sprintf(strbuff, "select limit is FD_SETSIZE %d", FD_SETSIZE);
store_errmsg(strbuff, 0);
fprintf(stderr, "%s\n", msgbuff);
close_file_descriptors();
free(memchunk);
return -10;
}
#endif
num_open.rlim_cur = FD_SETSIZE - SAFETY_MARGIN;
for (rl.rlim_cur = 0;
rl.rlim_cur < num_open.rlim_max;
rl.rlim_cur++) {
if (fd[rl.rlim_cur] > num_open.rlim_cur) {
sprintf(strbuff, "select limit is FD_SETSIZE %d", FD_SETSIZE);
store_errmsg(strbuff, 0);
fprintf(stderr, "%s\n", msgbuff);
close_file_descriptors();
free(memchunk);
return -11;
}
}
#endif /* using a FD_SETSIZE bound select() */
/* free the chunk of memory we were reserving so that it
becomes becomes available to the test */

41
tests/libtest/lib537.c
View File

@ -26,6 +26,14 @@
#include <string.h>
#endif
#if !defined(HAVE_POLL_FINE) && \
!defined(CURL_HAVE_WSAPOLL) && \
!defined(USE_WINSOCK) && \
!defined(TPF) && \
!defined(FD_SETSIZE)
#error "this test requires FD_SETSIZE"
#endif
#define SAFETY_MARGIN (10)
#if defined(WIN32) || defined(_WIN32) || defined(MSDOS)
@ -356,16 +364,31 @@ static int rlimit(int keep_open)
* with an indication that select limit would be exceeded.
*/
sprintf(strbuff1, fmt, num_open.rlim_max);
sprintf(strbuff, "fds open %s > select limit %d",
strbuff1, FD_SETSIZE);
store_errmsg(strbuff, 0);
fprintf(stderr, "%s\n", msgbuff);
close_file_descriptors();
free(memchunk);
return -8;
num_open.rlim_cur = FD_SETSIZE - SAFETY_MARGIN;
if (num_open.rlim_max > num_open.rlim_cur) {
sprintf(strbuff, "select limit is FD_SETSIZE %d", FD_SETSIZE);
store_errmsg(strbuff, 0);
fprintf(stderr, "%s\n", msgbuff);
close_file_descriptors();
free(memchunk);
return -8;
}
#endif
num_open.rlim_cur = FD_SETSIZE - SAFETY_MARGIN;
for (rl.rlim_cur = 0;
rl.rlim_cur < num_open.rlim_max;
rl.rlim_cur++) {
if (fd[rl.rlim_cur] > num_open.rlim_cur) {
sprintf(strbuff, "select limit is FD_SETSIZE %d", FD_SETSIZE);
store_errmsg(strbuff, 0);
fprintf(stderr, "%s\n", msgbuff);
close_file_descriptors();
free(memchunk);
return -9;
}
}
#endif /* using a FD_SETSIZE bound select() */
/* free the chunk of memory we were reserving so that it
becomes becomes available to the test */