diff options
Diffstat (limited to 'man2/fork.2')
| -rw-r--r-- | man2/fork.2 | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/man2/fork.2 b/man2/fork.2 index 9ef7d3584..607a86bd0 100644 --- a/man2/fork.2 +++ b/man2/fork.2 @@ -16,7 +16,7 @@ .\" Greatly expanded, to describe all attributes that differ .\" parent and child. .\" -.TH fork 2 2023-02-05 "Linux man-pages 6.03" +.TH fork 2 2023-05-03 "Linux man-pages 6.05.01" .SH NAME fork \- create a child process .SH LIBRARY @@ -259,14 +259,7 @@ hardware without a Memory-Management Unit). .\" commit 4a2c7a7837da1b91468e50426066d988050e4d56 System call was interrupted by a signal and will be restarted. (This can be seen only during a trace.) -.SH STANDARDS -POSIX.1-2001, POSIX.1-2008, SVr4, 4.3BSD. -.SH NOTES -Under Linux, -.BR fork () -is implemented using copy-on-write pages, so the only penalty that it incurs -is the time and memory required to duplicate the parent's page tables, -and to create a unique task structure for the child. +.SH VERSIONS .SS C library/kernel differences Since glibc 2.3.3, .\" nptl/sysdeps/unix/sysv/linux/fork.c @@ -291,6 +284,16 @@ The glibc wrapper invokes any fork handlers that have been established using .BR pthread_atfork (3). .\" and does some magic to ensure that getpid(2) returns the right value. +.SH STANDARDS +POSIX.1-2008. +.SH HISTORY +POSIX.1-2001, SVr4, 4.3BSD. +.SH NOTES +Under Linux, +.BR fork () +is implemented using copy-on-write pages, so the only penalty that it incurs +is the time and memory required to duplicate the parent's page tables, +and to create a unique task structure for the child. .SH EXAMPLES See .BR pipe (2) @@ -305,12 +308,12 @@ for more examples. #include <stdio.h> #include <stdlib.h> #include <unistd.h> - +\& int main(void) { pid_t pid; - +\& if (signal(SIGCHLD, SIG_IGN) == SIG_ERR) { perror("signal"); exit(EXIT_FAILURE); |