#include <errno.h> #include <error.h> #include <pthread.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> static void * dummy (void *x) { return NULL; } static char buf[sizeof "something\n"]; static int do_test (void) { FILE *f; pthread_t p; int err; f = popen ("echo something", "r"); if (f == NULL) error (EXIT_FAILURE, errno, "popen failed"); if (fgets (buf, sizeof (buf), f) == NULL) error (EXIT_FAILURE, 0, "fgets failed"); if (strcmp (buf, "something\n")) error (EXIT_FAILURE, 0, "read wrong data"); if (pclose (f)) error (EXIT_FAILURE, errno, "pclose returned non-zero"); if ((err = pthread_create (&p, NULL, dummy, NULL))) error (EXIT_FAILURE, err, "pthread_create failed"); if ((err = pthread_join (p, NULL))) error (EXIT_FAILURE, err, "pthread_join failed"); exit (0); } #define TEST_FUNCTION do_test () #include "../test-skeleton.c"