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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:41:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:41:09 +0000
commit0db324e2e5d9d3347ea0e93138372fb65aac09e6 (patch)
tree1b794022fb98db123c73021e75286a82c116aa7f /man2/getpid.2
parentReleasing progress-linux version 6.05.01-1~progress7.99u1. (diff)
downloadmanpages-0db324e2e5d9d3347ea0e93138372fb65aac09e6.tar.xz
manpages-0db324e2e5d9d3347ea0e93138372fb65aac09e6.zip
Merging upstream version 6.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man2/getpid.2')
-rw-r--r--man2/getpid.210
1 files changed, 5 insertions, 5 deletions
diff --git a/man2/getpid.2 b/man2/getpid.2
index 3b78823..5166035 100644
--- a/man2/getpid.2
+++ b/man2/getpid.2
@@ -2,7 +2,7 @@
.\"
.\" SPDX-License-Identifier: Linux-man-pages-copyleft
.\"
-.TH getpid 2 2023-03-30 "Linux man-pages 6.05.01"
+.TH getpid 2 2023-10-31 "Linux man-pages 6.7"
.SH NAME
getpid, getppid \- get process identification
.SH LIBRARY
@@ -11,7 +11,7 @@ Standard C library
.SH SYNOPSIS
.nf
.B #include <unistd.h>
-.PP
+.P
.B pid_t getpid(void);
.B pid_t getppid(void);
.fi
@@ -20,7 +20,7 @@ Standard C library
returns the process ID (PID) of the calling process.
(This is often used by
routines that generate unique temporary filenames.)
-.PP
+.P
.BR getppid ()
returns the process ID of the parent of the calling process.
This will be either the ID of the process that created this process using
@@ -109,7 +109,7 @@ via the glibc wrapper function.
.BR clone (2).)
Furthermore, the complexity of the caching code had been
the source of a few bugs within glibc over the years.
-.PP
+.P
Because of the aforementioned problems,
since glibc 2.25, the PID cache is removed:
.\" commit c579f48edba88380635ab98cb612030e3ed8691e
@@ -124,7 +124,7 @@ If the caller's parent is in a different PID namespace (see
.BR pid_namespaces (7)),
.BR getppid ()
returns 0.
-.PP
+.P
From a kernel perspective,
the PID (which is shared by all of the threads in a multithreaded process)
is sometimes also known as the thread group ID (TGID).