diff options
| author | Lennart Poettering <lennart@poettering.net> | 2018-03-27 15:01:02 +0200 |
|---|---|---|
| committer | Sven Eden <yamakuzure@gmx.net> | 2018-08-24 16:47:08 +0200 |
| commit | b628c4dded8d514451cee188245aec42aea0707e (patch) | |
| tree | f7a856c62953b3a84b965ef15fc3f772ca23fcbf /src/basic/process-util.h | |
| parent | 961c23bd227db449039af8208733ac5927b8bf0f (diff) | |
process-util: add TAKE_PID(), similar to TAKE_PTR/TAKE_FD, but for child process PIDs
Diffstat (limited to 'src/basic/process-util.h')
| -rw-r--r-- | src/basic/process-util.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/basic/process-util.h b/src/basic/process-util.h index eff42d053..ee094932a 100644 --- a/src/basic/process-util.h +++ b/src/basic/process-util.h @@ -209,3 +209,11 @@ int fork_agent(const char *name, const int except[], unsigned n_except, pid_t *p #endif assert_cc(TASKS_MAX <= (unsigned long) PID_T_MAX) + +/* Like TAKE_PTR() but for child PIDs, resetting them to 0 */ +#define TAKE_PID(pid) \ + ({ \ + pid_t _pid_ = (pid); \ + (pid) = 0; \ + _pid_; \ + }) |