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apps/examples/pipe:can't print info to screen after calling redirect_test func.

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reason:stdin/stdout was redirected and closed in redirect_test.c.
measures:change all printf() to fprint(stderr,...) in pipe_main.c,
and modify fflush(stdout) to fflush(stderr) in line 231.

Signed-off-by: wurui3 <wurui3@xiaomi.com>
This commit is contained in:
wurui3 2023-08-28 21:29:16 +08:00 committed by Xiang Xiao
parent 8d7497f7fb
commit 4981dbe32b
1 changed files with 12 additions and 12 deletions
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24
examples/pipe/pipe_main.c
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@ -45,7 +45,7 @@ static void *open_write_only(pthread_addr_t pvarg)
{
void *fd_addr = (void *)pvarg;
printf("open_write_only: Opening FIFO for write access\n");
fprintf(stderr, "open_write_only: Opening FIFO for write access\n");
((int *)fd_addr)[1] = open(FIFO_PATH1, O_WRONLY);
if (((int *)fd_addr)[1] < 0)
{
@ -76,7 +76,7 @@ int main(int argc, FAR char *argv[])
#if CONFIG_DEV_FIFO_SIZE > 0
/* Test FIFO logic */
printf("\npipe_main: Performing FIFO test\n");
fprintf(stderr, "\npipe_main: Performing FIFO test\n");
pthread_t writeonly;
void *status;
@ -159,7 +159,7 @@ int main(int argc, FAR char *argv[])
/* Perform the FIFO interlock test */
printf("\npipe_main: Performing pipe interlock test\n");
fprintf(stderr, "\npipe_main: Performing pipe interlock test\n");
ret = interlock_test();
if (ret != 0)
{
@ -167,19 +167,19 @@ int main(int argc, FAR char *argv[])
return 7;
}
printf("pipe_main: FIFO interlock test PASSED\n");
fprintf(stderr, "pipe_main: FIFO interlock test PASSED\n");
printf("pipe_main: FIFO test PASSED\n");
fprintf(stderr, "pipe_main: FIFO test PASSED\n");
#else
printf("\npipe_main: Skipping FIFO test\n");
fprintf(stderr, "\npipe_main: Skipping FIFO test\n");
#endif /* CONFIG_DEV_FIFO_SIZE > 0 */
#if CONFIG_DEV_PIPE_SIZE > 0
/* Test PIPE logic */
printf("\npipe_main: Performing pipe test\n");
fprintf(stderr, "\npipe_main: Performing pipe test\n");
ret = pipe(fd);
if (ret < 0)
@ -210,7 +210,7 @@ int main(int argc, FAR char *argv[])
/* Perform the pipe redirection test */
printf("\npipe_main: Performing redirection test\n");
fprintf(stderr, "\npipe_main: Performing redirection test\n");
ret = redirection_test();
if (ret != 0)
{
@ -218,15 +218,15 @@ int main(int argc, FAR char *argv[])
return 10;
}
printf("pipe_main: PIPE redirection test PASSED\n");
fprintf(stderr, "pipe_main: PIPE redirection test PASSED\n");
printf("pipe_main: PIPE test PASSED\n");
fprintf(stderr, "pipe_main: PIPE test PASSED\n");
#else
printf("\npipe_main: Skipping pipe test\n");
fprintf(stderr, "\npipe_main: Skipping pipe test\n");
#endif /* CONFIG_DEV_PIPE_SIZE > 0 */
fflush(stdout);
fflush(stderr);
return 0;
}