Dmitry V. Levin
4b80f34c93
* syscall.c (trace_syscall_exiting): Skip filtered syscalls also in case of get_regs or get_syscall_result failure. * tests/filter-unavailable.c: New file. * tests/filter-unavailable.expected: Likewise. * tests/filter-unavailable.test: New test. * tests/Makefile.am (check_PROGRAMS): Add filter-unavailable. (filter_unavailable_LDFLAGS): Add -pthread. (TESTS): Add filter-unavailable.test. (EXTRA_DIST): Add filter-unavailable.expected. * tests/.gitignore: Add filter-unavailable. Reported-by: Bryan Matsuo <bryan.matsuo@gmail.com>
55 lines
846 B
C
55 lines
846 B
C
#include <assert.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <pthread.h>
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#include <sys/wait.h>
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#define P 16
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#define T 7
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static void *
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thread(void *arg)
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{
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assert(write(1, "", 1) == 1);
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pause();
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return arg;
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}
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static int
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process(void)
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{
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int i;
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int fds[2];
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pthread_t t;
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struct timespec ts = { .tv_nsec = 10000000 };
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(void) close(0);
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(void) close(1);
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assert(pipe(fds) == 0 && fds[0] == 0 && fds[1] == 1);
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for (i = 0; i < T; ++i)
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assert(pthread_create(&t, NULL, thread, NULL) == 0);
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for (i = 0; i < T; ++i)
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assert(read(0, fds, 1) == 1);
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(void) nanosleep(&ts, 0);
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return 0;
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}
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int
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main(void)
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{
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int i, s;
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pid_t p;
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for (i = 0; i < P; ++i) {
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assert((p = fork()) >= 0);
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if (p == 0)
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return process();
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assert(waitpid(p, &s, 0) == p && WIFEXITED(s));
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if (WEXITSTATUS(s))
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return WEXITSTATUS(s);
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}
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return 0;
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}
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