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[/] [openrisc/] [trunk/] [gnu-stable/] [gdb-7.2/] [sim/] [testsuite/] [sim/] [cris/] [c/] [thread5.c] - Rev 855
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/* Compiler options: #notarget: cris*-*-elf #cc: additional_flags=-pthread #output: abbb ok\n Testing a signal handler corner case. */ #include <stddef.h> #include <stdlib.h> #include <stdio.h> #include <unistd.h> #include <signal.h> #include <pthread.h> static void * process (void *arg) { write (2, "a", 1); write (2, "b", 1); write (2, "b", 1); write (2, "b", 1); return NULL; } int ok = 0; volatile int done = 0; void sigusr1 (int signum) { if (signum != SIGUSR1 || !ok) abort (); done = 1; } int main (void) { int retcode; pthread_t th_a; void *retval; sigset_t sigs; if (sigemptyset (&sigs) != 0) abort (); retcode = pthread_create (&th_a, NULL, process, NULL); if (retcode != 0) abort (); if (signal (SIGUSR1, sigusr1) != SIG_DFL) abort (); if (pthread_sigmask (SIG_BLOCK, NULL, &sigs) != 0 || sigaddset (&sigs, SIGUSR1) != 0 || pthread_sigmask (SIG_BLOCK, &sigs, NULL) != 0) abort (); if (pthread_kill (pthread_self (), SIGUSR1) != 0 || sched_yield () != 0 || sched_yield () != 0 || sched_yield () != 0) abort (); ok = 1; if (pthread_sigmask (SIG_UNBLOCK, NULL, &sigs) != 0 || sigaddset (&sigs, SIGUSR1) != 0 || pthread_sigmask (SIG_UNBLOCK, &sigs, NULL) != 0) abort (); if (!done) abort (); retcode = pthread_join (th_a, &retval); if (retcode != 0) abort (); fprintf (stderr, " ok\n"); return 0; }
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