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| author | Alejandro Colomar <alx@kernel.org> | 2024-05-29 23:07:29 +0200 |
|---|---|---|
| committer | Alejandro Colomar <alx@kernel.org> | 2024-05-31 01:52:39 +0200 |
| commit | 7446600b3d80bd1bed03965378806d9c7046adec (patch) | |
| tree | 68b086398c1d8ea4ad920f0f8c51032a32fc12d1 | |
| parent | 2629002e9680cf7cafe75d0b260dbeca5f425ba9 (diff) | |
| download | man-pages-7446600b3d80bd1bed03965378806d9c7046adec.tar.gz | |
PR_SET_PDEATHSIG.2const: Tweak after split
Signed-off-by: Alejandro Colomar <alx@kernel.org>
| -rw-r--r-- | man/man2const/PR_SET_PDEATHSIG.2const | 46 |
1 files changed, 22 insertions, 24 deletions
diff --git a/man/man2const/PR_SET_PDEATHSIG.2const b/man/man2const/PR_SET_PDEATHSIG.2const index 58a08e7ba6..e30f816f35 100644 --- a/man/man2const/PR_SET_PDEATHSIG.2const +++ b/man/man2const/PR_SET_PDEATHSIG.2const @@ -1,5 +1,6 @@ .\" Copyright 1998, Andries Brouwer <aeb@cwi.nl> .\" Copyright 2002, 2006, 2008, 2012, 2013, 2015, Michael Kerrisk <mtk.manpages@gmail.com> +.\" Copyright 2024, Alejandro Colomar <alx@kernel.org> .\" .\" SPDX-License-Identifier: Linux-man-pages-copyleft .\" @@ -15,13 +16,13 @@ Standard C library .nf .B #include <sys/prctl.h> .P -.BI "int prctl(int " op ", ...);" +.BI "int prctl(PR_SET_PDEATHSIG, long " sig ", 0L, 0L, 0L);" .fi .SH DESCRIPTION -.TP -.BR PR_SET_PDEATHSIG " (since Linux 2.1.57)" Set the parent-death signal -of the calling process to \fIarg2\fP (either a signal value +of the calling process to +.I sig +(either a signal value in the range .RB [ 1 , .IR NSIG\~\-\~1 ], @@ -30,19 +31,10 @@ or to clear). This is the signal that the calling process will get when its parent dies. -.IP -.IR Warning : -.\" https://bugzilla.kernel.org/show_bug.cgi?id=43300 -the "parent" in this case is considered to be the -.I thread -that created this process. -In other words, the signal will be sent when that thread terminates -(via, for example, -.BR pthread_exit (3)), -rather than after all of the threads in the parent process terminate. -.IP -The parent-death signal is sent upon subsequent termination of the parent -thread and also upon termination of each subreaper process +.P +The parent-death signal is sent +upon subsequent termination of the parent thread +and also upon termination of each subreaper process (see .BR PR_SET_CHILD_SUBREAPER (2const)) to which the caller is subsequently reparented. @@ -50,7 +42,7 @@ If the parent thread and all ancestor subreapers have already terminated by the time of the .B PR_SET_PDEATHSIG operation, then no parent-death signal is sent to the caller. -.IP +.P The parent-death signal is process-directed (see .BR signal (7)) and, if the child installs a handler using the @@ -61,7 +53,7 @@ flag, the field of the .I siginfo_t argument of the handler contains the PID of the terminating parent process. -.IP +.P The parent-death signal setting is cleared for the child of a .BR fork (2). It is also @@ -87,15 +79,21 @@ is set to indicate the error. .SH ERRORS .TP .B EINVAL -.I op -is -.B PR_SET_PDEATHSIG -and -.I arg2 +.I sig is not a valid signal number. .SH STANDARDS Linux. .SH HISTORY +Linux 2.1.57. +.SH CAVEATS +.\" https://bugzilla.kernel.org/show_bug.cgi?id=43300 +The "parent" in this case is considered to be the +.I thread +that created this process. +In other words, the signal will be sent when that thread terminates +(via, for example, +.BR pthread_exit (3)), +rather than after all of the threads in the parent process terminate. .SH SEE ALSO .BR prctl (2), .BR PR_GET_PDEATHSIG (2const) |