Differences between current version and predecessor to the previous major change of fork(2).
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| Newer page: | version 5 | Last edited on Monday, March 17, 2003 2:04:27 am | by PerryLorier | |
| Older page: | version 4 | Last edited on Tuesday, November 5, 2002 3:02:57 pm | by JohnMcPherson | Revert |
@@ -15,8 +15,9 @@
On success, the PID of the child process is returned in the parent's thread of execution, and a 0 is returned in the child's thread of execution. On failure, a -1 will be returned in the parent's context, no child process will be created, and ''errno'' will be set appropriately.
!!ERRORS
;[EAGAIN]: fork(2) cannot allocate sufficient memory to copy the parent's page tables and allocate a task structure for the child, or the number of processors would exceed the limit of the number of processes either system wide, or for a particular users. (CHILD_MAX)
+;:__Note__: The Linux kernel appears to only return this error if the fork(2) would exceed the maximum allowed number of processes from one limit or another.
;[ENOMEM]: fork(2) failed to allocate the necessary kernel structures because memory is tight.
!!CONFORMING TO
The fork(2) call conforms to SVr4, SVID, [POSIX], X/OPEN, BSD 4.3.
