diff options
Diffstat (limited to 'man2/getpriority.2')
| -rw-r--r-- | man2/getpriority.2 | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/man2/getpriority.2 b/man2/getpriority.2 index 723d3d4..e4aa4f0 100644 --- a/man2/getpriority.2 +++ b/man2/getpriority.2 @@ -14,7 +14,7 @@ .\" Clarified meaning of 0 value for 'who' argument .\" Modified 2004-05-27 by Michael Kerrisk <mtk.manpages@gmail.com> .\" -.TH getpriority 2 2023-03-30 "Linux man-pages 6.05.01" +.TH getpriority 2 2023-10-31 "Linux man-pages 6.7" .SH NAME getpriority, setpriority \- get/set program scheduling priority .SH LIBRARY @@ -23,7 +23,7 @@ Standard C library .SH SYNOPSIS .nf .B #include <sys/resource.h> -.PP +.P .BI "int getpriority(int " which ", id_t " who ); .BI "int setpriority(int " which ", id_t " who ", int " prio ); .fi @@ -41,7 +41,7 @@ call. The process attribute dealt with by these system calls is the same attribute (also known as the "nice" value) that is dealt with by .BR nice (2). -.PP +.P The value .I which is one of @@ -64,7 +64,7 @@ A zero value for .I who denotes (respectively) the calling process, the process group of the calling process, or the real user ID of the calling process. -.PP +.P The .I prio argument is a value in the range \-20 to 19 (but see NOTES below), @@ -73,7 +73,7 @@ Attempts to set a priority outside this range are silently clamped to the range. The default priority is 0; lower values give a process a higher scheduling priority. -.PP +.P The .BR getpriority () call returns the highest priority (lowest numerical value) @@ -82,7 +82,7 @@ The .BR setpriority () call sets the priorities of all of the specified processes to the specified value. -.PP +.P Traditionally, only a privileged process could lower the nice value (i.e., set a higher priority). However, since Linux 2.6.12, an unprivileged process can decrease @@ -98,7 +98,7 @@ returns the calling thread's nice value, which may be a negative number. On error, it returns \-1 and sets .I errno to indicate the error. -.PP +.P Since a successful call to .BR getpriority () can legitimately return the value \-1, it is necessary @@ -109,7 +109,7 @@ call, then check .I errno afterward to determine if \-1 is an error or a legitimate value. -.PP +.P .BR setpriority () returns 0 on success. On failure, it returns \-1 and sets @@ -154,19 +154,19 @@ SVr4, 4.4BSD (these interfaces first appeared in 4.2BSD). .SH NOTES For further details on the nice value, see .BR sched (7). -.PP +.P .IR Note : the addition of the "autogroup" feature in Linux 2.6.38 means that the nice value no longer has its traditional effect in many circumstances. For details, see .BR sched (7). -.PP +.P A child created by .BR fork (2) inherits its parent's nice value. The nice value is preserved across .BR execve (2). -.PP +.P The details on the condition for .B EPERM depend on the system. @@ -204,6 +204,6 @@ which may be made standards conformant in the future. .BR fork (2), .BR capabilities (7), .BR sched (7) -.PP +.P .I Documentation/scheduler/sched\-nice\-design.txt in the Linux kernel source tree (since Linux 2.6.23) |