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Update pidfile() description with hidden features

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Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
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Joachim Nilsson
2016-06-06 12:35:01 +02:00
parent 61fb7aeca2
commit d45f2bad5b
1 changed files with 7 additions and 3 deletions
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README.md
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@@ -316,9 +316,13 @@ The following are popular functions and highly useful macros from the
http://www.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man3/pidfile.3
**Note:** this version of `pidfile()` has been extended to handle it
being called multiple times, and also to export the path to the PID
file `__pidfile_name`, similar to `__progname`. See previous section
for details.
being called multiple times, i.e. to not create multiple `atexit()`
handlers, and also to export a few internal paths:
- `__pidfile_path`: prefix path, default `_PATH_VARRUN`. Notice the
trailing slash requirement if you want to override it!
- `__pidfile_name`: full path to PID file , similar to `__progname`.
See previous section for details.
- `reallocarray(ptr, nmemb, size)`