|
nsz |
99d408 |
#include <unistd.h>
|
|
nsz |
99d408 |
#include <stdio.h>
|
|
nsz |
99d408 |
#include <errno.h>
|
|
nsz |
99d408 |
#include <string.h>
|
|
nsz |
99d408 |
#include <signal.h>
|
|
nsz |
99d408 |
#include "test.h"
|
|
nsz |
99d408 |
|
|
nsz |
99d408 |
#define TEST(r, f, x, m) ( \
|
|
nsz |
99d408 |
((r) = (f)) == (x) || (error("%s failed (" m ")\n", #f, r, x), 0) )
|
|
nsz |
99d408 |
|
|
nsz |
99d408 |
#define TEST_E(f) ( \
|
|
nsz |
99d408 |
(errno = 0), \
|
|
nsz |
99d408 |
(f) || (error("%s failed (errno = %d)\n", #f, errno), 0) )
|
|
nsz |
99d408 |
|
|
nsz |
99d408 |
#define TEST_S(s, x, m) ( \
|
|
nsz |
99d408 |
!strcmp((s),(x)) || \
|
|
nsz |
99d408 |
(error("[%s] != [%s] (%s)\n", s, x, m), 0) )
|
|
nsz |
99d408 |
|
|
nsz |
99d408 |
static sig_atomic_t got_sig;
|
|
nsz |
99d408 |
|
|
nsz |
99d408 |
static void handler(int sig) {
|
|
nsz |
99d408 |
got_sig = 1;
|
|
nsz |
99d408 |
}
|
|
nsz |
99d408 |
|
|
nsz |
99d408 |
void test_popen(void) {
|
|
nsz |
99d408 |
int i;
|
|
nsz |
99d408 |
char foo[6];
|
|
nsz |
99d408 |
char cmd[64];
|
|
nsz |
99d408 |
FILE *f;
|
|
nsz |
99d408 |
|
|
nsz |
99d408 |
TEST_E(f = popen("echo hello", "r"));
|
|
nsz |
99d408 |
if (f) {
|
|
nsz |
99d408 |
TEST_E(fgets(foo, sizeof foo, f));
|
|
nsz |
99d408 |
TEST_S(foo, "hello", "child process did not say hello");
|
|
nsz |
99d408 |
TEST(i, pclose(f), 0, "exit status %04x != %04x");
|
|
nsz |
99d408 |
}
|
|
nsz |
99d408 |
|
|
nsz |
99d408 |
signal(SIGUSR1, handler);
|
|
nsz |
99d408 |
snprintf(cmd, sizeof cmd, "read a ; test \"x$a\" = xhello && kill -USR1 %d", getpid());
|
|
nsz |
99d408 |
TEST_E(f = popen(cmd, "w"));
|
|
nsz |
99d408 |
if (f) {
|
|
nsz |
99d408 |
TEST_E(fputs("hello", f) >= 0);
|
|
nsz |
99d408 |
TEST(i, pclose(f), 0, "exit status %04x != %04x");
|
|
nsz |
99d408 |
TEST(i, got_sig, 1, "child process did not send signal");
|
|
nsz |
99d408 |
}
|
|
nsz |
99d408 |
signal(SIGUSR1, SIG_DFL);
|
|
nsz |
99d408 |
}
|