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Make finish_daemon() return a boolean to say whether it did anything.

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This commit is contained in:
Nick Mathewson 2018-08-08 16:59:53 -04:00
parent 4f300d547d
commit 622a2c6bee
2 changed files with 7 additions and 4 deletions
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9
src/lib/process/daemon.c
View File

@ -102,15 +102,16 @@ start_daemon(void)
/** Finish putting the process into daemon mode: drop standard fds, and tell
* the parent process to exit. (Note: it's safe to call this more than once:
* calls after the first are ignored. Calls start_daemon first if it hasn't
* been called already.)
* been called already.) Return true if we actually did a fork; false if we
* didn't.
*/
void
int
finish_daemon(const char *desired_cwd)
{
int nullfd;
char c = '.';
if (finish_daemon_called)
return;
return 0;
if (!start_daemon_called)
start_daemon();
finish_daemon_called = 1;
@ -149,6 +150,8 @@ finish_daemon(const char *desired_cwd)
log_err(LD_GENERAL,"write failed. Exiting.");
}
close(daemon_filedes[1]);
return 0;
}
#else /* !(!defined(_WIN32)) */
/* defined(_WIN32) */

2
src/lib/process/daemon.h
View File

@ -12,6 +12,6 @@
#define TOR_DAEMON_H
void start_daemon(void);
void finish_daemon(const char *desired_cwd);
int finish_daemon(const char *desired_cwd);
#endif