| rfork.2 (29176) | rfork.2 (43208) |
|---|---|
| 1.\" 2.\" This manual page is taken directly from Plan9, and modified to 3.\" describe the actual BSD implementation. Permission for 4.\" use of this page comes from Rob Pike <rob@plan9.att.com>. 5.\" 6.Dd Jan 12, 1996 7.Dt RFORK 2 8.Os --- 42 unchanged lines hidden (view full) --- 51.It RFMEM 52If set, the kernel will force sharing of the entire address space. 53The child 54will then inherit all the shared segments the parent process owns. Other segment 55types will be unaffected. Subsequent forks by the parent will then 56propagate the shared data and bss between children. The stack segment 57is always split. May be set only with 58.Dv RFPROC . | 1.\" 2.\" This manual page is taken directly from Plan9, and modified to 3.\" describe the actual BSD implementation. Permission for 4.\" use of this page comes from Rob Pike <rob@plan9.att.com>. 5.\" 6.Dd Jan 12, 1996 7.Dt RFORK 2 8.Os --- 42 unchanged lines hidden (view full) --- 51.It RFMEM 52If set, the kernel will force sharing of the entire address space. 53The child 54will then inherit all the shared segments the parent process owns. Other segment 55types will be unaffected. Subsequent forks by the parent will then 56propagate the shared data and bss between children. The stack segment 57is always split. May be set only with 58.Dv RFPROC . |
| 59.It RFSIGSHARE 60If set, the kernel will force sharing the sigacts structure between the 61child and the parent. 62.It RFLINUXTHPN 63If set, the kernel will return SIGUSR1 instead of SIGCHILD upon thread 64exit for the child. This is intended to mimic certain Linux clone behaviour. |
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| 59.El 60.Pp 61File descriptors in a shared file descriptor table are kept 62open until either they are explicitly closed 63or all processes sharing the table exit. 64.Pp 65If 66.Dv RFPROC --- 71 unchanged lines hidden --- | 65.El 66.Pp 67File descriptors in a shared file descriptor table are kept 68open until either they are explicitly closed 69or all processes sharing the table exit. 70.Pp 71If 72.Dv RFPROC --- 71 unchanged lines hidden --- |