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| author | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-26 16:38:00 -0400 |
|---|---|---|
| committer | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-26 16:38:00 -0400 |
| commit | 97d5c458cfa039d857301e1ca7d5af3beb37131d (patch) | |
| tree | b460cd850d0537eb71806ba30358840377b27688 /static/plan9-4e/man2/getpid.2 | |
| parent | b89dc2331a50c63f8b33272a5c4c61ab98abdaa3 (diff) | |
build: Better Build System
Diffstat (limited to 'static/plan9-4e/man2/getpid.2')
| -rw-r--r-- | static/plan9-4e/man2/getpid.2 | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/static/plan9-4e/man2/getpid.2 b/static/plan9-4e/man2/getpid.2 new file mode 100644 index 00000000..1c49f3ab --- /dev/null +++ b/static/plan9-4e/man2/getpid.2 @@ -0,0 +1,41 @@ +.TH GETPID 2 +.SH NAME +getpid, getppid \- get process ids +.SH SYNOPSIS +.B #include <u.h> +.br +.B #include <libc.h> +.PP +.B +int getpid(void) +.PP +.B +int getppid(void) +.SH DESCRIPTION +.I Getpid +reads +.B /dev/pid +(see +.IR cons (3)) +and converts it to get the process id of the current process, +a number guaranteed to be unique among all running processes on the machine +executing +.IR getpid . +.PP +.I Getppid +reads +.B /dev/ppid +(see +.IR cons (3)) +and converts it to get the id of the parent of the current process. +.SH SOURCE +.B /sys/src/libc/9sys +.SH SEE ALSO +.IR intro (2), +.IR cons (3), +.IR proc (3) +.SH DIAGNOSTICS +Returns 0 and +sets +.I errstr +if unsuccessful. |