| /* Check for proper pipe semantics at corner cases. | |
| #progos: linux | |
| */ | |
| #include <stddef.h> | |
| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <unistd.h> | |
| #include <sched.h> | |
| #include <signal.h> | |
| #include <sys/types.h> | |
| #include <sys/wait.h> | |
| #include <limits.h> | |
| #include <unistd.h> | |
| int main (void) | |
| { | |
| int i; | |
| int filemax; | |
| #ifdef OPEN_MAX | |
| filemax = OPEN_MAX; | |
| #else | |
| filemax = sysconf (_SC_OPEN_MAX); | |
| #endif | |
| if (filemax < 10) | |
| abort (); | |
| /* Check that pipes don't leak file descriptors. */ | |
| for (i = 0; i < filemax * 10; i++) | |
| { | |
| int pip[2]; | |
| if (pipe (pip) != 0) | |
| { | |
| perror ("pipe"); | |
| abort (); | |
| } | |
| if (close (pip[0]) != 0 || close (pip[1]) != 0) | |
| { | |
| perror ("close"); | |
| abort (); | |
| } | |
| } | |
| printf ("pass\n"); | |
| exit (0); | |
| } |