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Add nxt_file_stdout().

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This is analogous to the nxt_file_stderr() function and will be used in
a subsequent commit.

This function redirects stdout to a given file descriptor.

Reviewed-by: Alejandro Colomar <alx@nginx.com>
Signed-off-by: Andrew Clayton <a.clayton@nginx.com>
This commit is contained in:
Andrew Clayton
2023-03-30 05:44:18 +01:00
parent edbc43558d
commit 8b8952930c
2 changed files with 20 additions and 0 deletions
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19
src/nxt_file.c
View File

@@ -563,6 +563,25 @@ nxt_file_redirect(nxt_file_t *file, nxt_fd_t fd)
}
/* nxt_file_stdout() redirects the stdout descriptor to the file. */
nxt_int_t
nxt_file_stdout(nxt_file_t *file)
{
nxt_thread_log_debug("dup2(%FD, %FD, \"%FN\")",
file->fd, STDOUT_FILENO, file->name);
if (dup2(file->fd, STDOUT_FILENO) != -1) {
return NXT_OK;
}
nxt_thread_log_alert("dup2(%FD, %FD, \"%FN\") failed %E",
file->fd, STDOUT_FILENO, file->name, nxt_errno);
return NXT_ERROR;
}
/* nxt_file_stderr() redirects the stderr descriptor to the file. */
nxt_int_t

1
src/nxt_file.h
View File

@@ -191,6 +191,7 @@ NXT_EXPORT FILE *nxt_file_fopen(nxt_task_t *task, const char *pathname,
NXT_EXPORT void nxt_file_fclose(nxt_task_t *task, FILE *fp);
NXT_EXPORT nxt_int_t nxt_file_redirect(nxt_file_t *file, nxt_fd_t fd);
NXT_EXPORT nxt_int_t nxt_file_stdout(nxt_file_t *file);
NXT_EXPORT nxt_int_t nxt_file_stderr(nxt_file_t *file);
NXT_EXPORT nxt_int_t nxt_stderr_start(void);