#include <pulsecore/core-util.h>
#include <pulsecore/core-error.h>
+#include <pulsecore/pipe.h>
#include "start-child.h"
int pa_start_child_for_read(const char *name, const char *argv1, pid_t *pid) {
+#ifdef HAVE_FORK
pid_t child;
int pipe_fds[2] = { -1, -1 };
return pipe_fds[0];
} else {
-#ifdef __linux__
- DIR* d;
-#endif
- int max_fd, i;
-
/* child */
- pa_reset_priority();
+ pa_reset_personality();
pa_assert_se(pa_close(pipe_fds[0]) == 0);
- pa_assert_se(dup2(pipe_fds[1], 1) == 1);
+ pa_assert_se(dup2(pipe_fds[1], STDOUT_FILENO) == STDOUT_FILENO);
- if (pipe_fds[1] != 1)
+ if (pipe_fds[1] != STDOUT_FILENO)
pa_assert_se(pa_close(pipe_fds[1]) == 0);
- pa_close(0);
- pa_assert_se(open("/dev/null", O_RDONLY) == 0);
-
- pa_close(2);
- pa_assert_se(open("/dev/null", O_WRONLY) == 2);
-
-#ifdef __linux__
-
- if ((d = opendir("/proc/self/fd/"))) {
+ pa_close(STDIN_FILENO);
+ pa_assert_se(open("/dev/null", O_RDONLY) == STDIN_FILENO);
- struct dirent *de;
+ pa_close(STDERR_FILENO);
+ pa_assert_se(open("/dev/null", O_WRONLY) == STDERR_FILENO);
- while ((de = readdir(d))) {
- char *e = NULL;
- int fd;
-
- if (de->d_name[0] == '.')
- continue;
-
- errno = 0;
- fd = strtol(de->d_name, &e, 10);
- pa_assert(errno == 0 && e && *e == 0);
-
- if (fd >= 3 && dirfd(d) != fd)
- pa_close(fd);
- }
-
- closedir(d);
- } else {
-
-#endif
-
- max_fd = 1024;
-
-#ifdef HAVE_SYS_RESOURCE_H
- {
- struct rlimit r;
- if (getrlimit(RLIMIT_NOFILE, &r) == 0)
- max_fd = r.rlim_max;
- }
-#endif
+ pa_close_all(-1);
+ pa_reset_sigs(-1);
+ pa_unblock_sigs(-1);
+ pa_reset_priority();
+ pa_unset_env_recorded();
- for (i = 3; i < max_fd; i++)
- pa_close(i);
-
-#ifdef __linux__
- }
-#endif
+ /* Make sure our children are not influenced by the
+ * LD_BIND_NOW we set for ourselves. */
+ unsetenv("LD_BIND_NOW");
#ifdef PR_SET_PDEATHSIG
/* On Linux we can use PR_SET_PDEATHSIG to have the helper
prctl(PR_SET_PDEATHSIG, SIGTERM, 0, 0, 0);
#endif
-#ifdef SIGPIPE
- /* Make sure that SIGPIPE kills the child process */
- signal(SIGPIPE, SIG_DFL);
-#endif
-
-#ifdef SIGTERM
- /* Make sure that SIGTERM kills the child process */
- signal(SIGTERM, SIG_DFL);
-#endif
-
execl(name, name, argv1, NULL);
_exit(1);
}
fail:
pa_close_pipe(pipe_fds);
+#endif /* HAVE_FORK */
return -1;
}