Date: Sat, 17 Jun 2017 17:32:40 +0000 (UTC) From: Conrad Meyer <cem@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r320058 - head/lib/libc/sys Message-ID: <201706171732.v5HHWeYC071233@repo.freebsd.org>
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Author: cem Date: Sat Jun 17 17:32:40 2017 New Revision: 320058 URL: https://svnweb.freebsd.org/changeset/base/320058 Log: pdwait4(2): Remove documentation of vaporware This syscall has never existed and is not at risk of existing any time soon. Remove documentation referencing it, which has been wrong since FreeBSD 9. Reported by: allanjude@ Modified: head/lib/libc/sys/Makefile.inc head/lib/libc/sys/pdfork.2 head/lib/libc/sys/wait.2 Modified: head/lib/libc/sys/Makefile.inc ============================================================================== --- head/lib/libc/sys/Makefile.inc Sat Jun 17 17:10:50 2017 (r320057) +++ head/lib/libc/sys/Makefile.inc Sat Jun 17 17:32:40 2017 (r320058) @@ -421,8 +421,7 @@ MLINKS+=open.2 openat.2 MLINKS+=pathconf.2 fpathconf.2 MLINKS+=pathconf.2 lpathconf.2 MLINKS+=pdfork.2 pdgetpid.2\ - pdfork.2 pdkill.2 \ - pdfork.2 pdwait4.2 + pdfork.2 pdkill.2 MLINKS+=pipe.2 pipe2.2 MLINKS+=poll.2 ppoll.2 MLINKS+=rctl_add_rule.2 rctl_get_limits.2 \ Modified: head/lib/libc/sys/pdfork.2 ============================================================================== --- head/lib/libc/sys/pdfork.2 Sat Jun 17 17:10:50 2017 (r320057) +++ head/lib/libc/sys/pdfork.2 Sat Jun 17 17:32:40 2017 (r320058) @@ -32,14 +32,13 @@ .\" .\" $FreeBSD$ .\" -.Dd June 8, 2016 +.Dd June 17, 2017 .Dt PDFORK 2 .Os .Sh NAME .Nm pdfork , .Nm pdgetpid , -.Nm pdkill , -.Nm pdwait4 +.Nm pdkill .Nd System calls to manage process descriptors .Sh LIBRARY .Lb libc @@ -51,8 +50,6 @@ .Fn pdgetpid "int fd" "pid_t *pidp" .Ft int .Fn pdkill "int fd" "int signum" -.Ft int -.Fn pdwait4 "int fd" "int *status" "int options" "struct rusage *rusage" .Sh DESCRIPTION Process descriptors are special file descriptors that represent processes, and are created using @@ -96,11 +93,6 @@ except that it accepts a process descriptor, .Fa fd , rather than a PID. .Pp -.Fn pdwait4 -behaves identically to -.Xr wait4 2 , -but operates with respect to a process descriptor argument rather than a PID. -.Pp The following system calls also have effects specific to process descriptors: .Pp .Xr fstat 2 @@ -146,9 +138,6 @@ does. and .Fn pdkill return 0 on success and -1 on failure. -.Pp -.Fn pdwait4 -returns a PID on success and -1 on failure. .Sh ERRORS These functions may return the same error numbers as their PID-based equivalents (e.g. @@ -180,9 +169,8 @@ for The .Fn pdfork , .Fn pdgetpid , -.Fn pdkill and -.Fn pdwait4 +.Fn pdkill system calls first appeared in .Fx 9.0 . .Pp @@ -197,6 +185,3 @@ and .An Jonathan Anderson Aq Mt jonathan@FreeBSD.org at the University of Cambridge Computer Laboratory with support from a grant from Google, Inc. -.Sh BUGS -.Fn pdwait4 -has not yet been implemented. Modified: head/lib/libc/sys/wait.2 ============================================================================== --- head/lib/libc/sys/wait.2 Sat Jun 17 17:10:50 2017 (r320057) +++ head/lib/libc/sys/wait.2 Sat Jun 17 17:32:40 2017 (r320058) @@ -28,7 +28,7 @@ .\" @(#)wait.2 8.2 (Berkeley) 4/19/94 .\" $FreeBSD$ .\" -.Dd June 1, 2016 +.Dd June 17, 2017 .Dt WAIT 2 .Os .Sh NAME @@ -601,9 +601,7 @@ must be checked against zero to determine if a process called with -1 to wait for any child process will ignore a child that is referenced by a process descriptor (see .Xr pdfork 2 ) . -Specific processes can still be waited on by specifying the process ID -or descriptor (see -.Xr pdwait 4 ) . +Specific processes can still be waited on by specifying the process ID. .Sh ERRORS The .Fn wait
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