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| author | Alejandro Colomar <alx.manpages@gmail.com> | 2022-09-09 14:15:08 +0200 |
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| committer | Alejandro Colomar <alx.manpages@gmail.com> | 2022-09-09 14:15:08 +0200 |
| commit | 96e72ec1fbadd13cbcbc2b263540e4f5e9e09d7c (patch) | |
| tree | 70686b943e33a6e939ad265acb7ddfef70b91f32 /man/man3/clock_getcpuclockid.3 | |
| parent | 8f4ed6463206e8ede815c72085c7305dafc2e4fc (diff) | |
| download | man-pages-96e72ec1fbadd13cbcbc2b263540e4f5e9e09d7c.tar.gz | |
Revert "src.mk, All pages: Move man* to man/"
This reverts commit 70ac1c4785fc1e158ab2349a962dba2526bf4fbc.
Link: <https://lore.kernel.org/linux-man/YxcV4h+Xn7cd6+q2@pevik/T/>
Reported-by: Petr Vorel <pvorel@suse.cz>
Reported-by: Jakub Wilk <jwilk@jwilk.net>
Cc: Stefan Puiu <stefan.puiu@gmail.com>
Signed-off-by: Alex Colomar <alx.manpages@gmail.com>
Diffstat (limited to 'man/man3/clock_getcpuclockid.3')
| -rw-r--r-- | man/man3/clock_getcpuclockid.3 | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/man/man3/clock_getcpuclockid.3 b/man/man3/clock_getcpuclockid.3 deleted file mode 100644 index 0ad1916fc0..0000000000 --- a/man/man3/clock_getcpuclockid.3 +++ /dev/null @@ -1,156 +0,0 @@ -.\" Copyright (c) 2008, Linux Foundation, written by Michael Kerrisk -.\" <mtk.manpages@gmail.com> -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.TH CLOCK_GETCPUCLOCKID 3 2021-03-22 "Linux man-pages (unreleased)" -.SH NAME -clock_getcpuclockid \- obtain ID of a process CPU-time clock -.SH LIBRARY -Standard C library -.RI ( libc ", " \-lc ), -since glibc 2.17 -.PP -Before glibc 2.17, -Real-time library -.RI ( librt ", " \-lrt ) -.SH SYNOPSIS -.B #include <time.h> -.nf -.PP -.BI "int clock_getcpuclockid(pid_t " pid ", clockid_t *" clockid ); -.fi -.PP -.ad l -.RS -4 -Feature Test Macro Requirements for glibc (see -.BR feature_test_macros (7)): -.RE -.PP -.BR clock_getcpuclockid (): -.nf - _POSIX_C_SOURCE >= 200112L -.fi -.SH DESCRIPTION -The -.BR clock_getcpuclockid () -function obtains the ID of the CPU-time clock of the process whose ID is -.IR pid , -and returns it in the location pointed to by -.IR clockid . -If -.I pid -is zero, then the clock ID of the CPU-time clock -of the calling process is returned. -.SH RETURN VALUE -On success, -.BR clock_getcpuclockid () -returns 0; -on error, it returns one of the positive error numbers listed in ERRORS. -.SH ERRORS -.TP -.B ENOSYS -The kernel does not support obtaining the per-process -CPU-time clock of another process, and -.I pid -does not specify the calling process. -.TP -.B EPERM -The caller does not have permission to access -the CPU-time clock of the process specified by -.IR pid . -(Specified in POSIX.1-2001; -does not occur on Linux unless the kernel does not support -obtaining the per-process CPU-time clock of another process.) -.TP -.B ESRCH -There is no process with the ID -.IR pid . -.SH VERSIONS -The -.BR clock_getcpuclockid () -function is available in glibc since version 2.2. -.SH ATTRIBUTES -For an explanation of the terms used in this section, see -.BR attributes (7). -.ad l -.nh -.TS -allbox; -lbx lb lb -l l l. -Interface Attribute Value -T{ -.BR clock_getcpuclockid () -T} Thread safety MT-Safe -.TE -.hy -.ad -.sp 1 -.SH STANDARDS -POSIX.1-2001, POSIX.1-2008. -.SH NOTES -Calling -.BR clock_gettime (2) -with the clock ID obtained by a call to -.BR clock_getcpuclockid () -with a -.I pid -of 0, -is the same as using the clock ID -.BR CLOCK_PROCESS_CPUTIME_ID . -.SH EXAMPLES -The example program below obtains the -CPU-time clock ID of the process whose ID is given on the command line, -and then uses -.BR clock_gettime (2) -to obtain the time on that clock. -An example run is the following: -.PP -.in +4n -.EX -.RB "$" " ./a.out 1" " # Show CPU clock of init process" -CPU\-time clock for PID 1 is 2.213466748 seconds -.EE -.in -.SS Program source -\& -.EX -#define _XOPEN_SOURCE 600 -#include <stdint.h> -#include <stdio.h> -#include <unistd.h> -#include <stdlib.h> -#include <time.h> - -int -main(int argc, char *argv[]) -{ - clockid_t clockid; - struct timespec ts; - - if (argc != 2) { - fprintf(stderr, "%s <process\-ID>\en", argv[0]); - exit(EXIT_FAILURE); - } - - if (clock_getcpuclockid(atoi(argv[1]), &clockid) != 0) { - perror("clock_getcpuclockid"); - exit(EXIT_FAILURE); - } - - if (clock_gettime(clockid, &ts) == \-1) { - perror("clock_gettime"); - exit(EXIT_FAILURE); - } - - printf("CPU\-time clock for PID %s is %jd.%09ld seconds\en", - argv[1], (intmax_t) ts.tv_sec, ts.tv_nsec); - exit(EXIT_SUCCESS); -} -.EE -.SH SEE ALSO -.BR clock_getres (2), -.BR timer_create (2), -.BR pthread_getcpuclockid (3), -.BR time (7) |