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| author | rsc <devnull@localhost> | 2004-04-10 18:53:55 +0000 |
|---|---|---|
| committer | rsc <devnull@localhost> | 2004-04-10 18:53:55 +0000 |
| commit | cfa37a7b1131abbab2e7d339b451f5f0e3198cc8 (patch) | |
| tree | a7fe52416e9d27efe2af2d54910112674c0fd7c6 /man/man3/getpid.3 | |
| parent | 08df2a433e69c94f9db002c83380cb2b693fee60 (diff) | |
| download | plan9port-cfa37a7b1131abbab2e7d339b451f5f0e3198cc8.tar.gz plan9port-cfa37a7b1131abbab2e7d339b451f5f0e3198cc8.zip | |
Lots of man pages.
Diffstat (limited to 'man/man3/getpid.3')
| -rw-r--r-- | man/man3/getpid.3 | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/man/man3/getpid.3 b/man/man3/getpid.3 new file mode 100644 index 00000000..c2075df0 --- /dev/null +++ b/man/man3/getpid.3 @@ -0,0 +1,41 @@ +.TH GETPID 3 +.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. |