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| author | Roland McGrath <roland@gnu.org> | 2006-01-08 09:39:29 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2006-01-08 09:39:29 +0000 |
| commit | aeb2153cd6ab300de1b241cd1528a3f6f260ad37 (patch) | |
| tree | 829be0b73c642f466d92bc34501c30a512a05804 /sysdeps | |
| parent | 9b121343547d646f5e511446588f0ff69b168211 (diff) | |
| download | glibc-aeb2153cd6ab300de1b241cd1528a3f6f260ad37.tar.gz glibc-aeb2153cd6ab300de1b241cd1528a3f6f260ad37.tar.xz glibc-aeb2153cd6ab300de1b241cd1528a3f6f260ad37.zip | |
[BZ #1535]
* sysdeps/unix/get_child_max.c: New file. * posix/get_child_max.c: New file. * posix/Makefile (routines): Add it. * include/sys/sysinfo.h (__get_child_max): Declare it. * sysdeps/posix/sysconf.c (__sysconf) [! CHILD_MAX]: Use it.
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/posix/sysconf.c | 6 | ||||
| -rw-r--r-- | sysdeps/unix/get_child_max.c | 37 |
2 files changed, 40 insertions, 3 deletions
diff --git a/sysdeps/posix/sysconf.c b/sysdeps/posix/sysconf.c index de72e84829..cb5137cd76 100644 --- a/sysdeps/posix/sysconf.c +++ b/sysdeps/posix/sysconf.c @@ -1,5 +1,5 @@ -/* Copyright (C) 1991,1993,1995-1997,1999-2003,2004 - Free Software Foundation, Inc. +/* Copyright (C) 1991,1993,1995-1997,1999-2003,2004,2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -68,7 +68,7 @@ __sysconf (name) #ifdef CHILD_MAX return CHILD_MAX; #else - return -1; + return __get_child_max (); #endif case _SC_CLK_TCK: diff --git a/sysdeps/unix/get_child_max.c b/sysdeps/unix/get_child_max.c new file mode 100644 index 0000000000..c59e4d8953 --- /dev/null +++ b/sysdeps/unix/get_child_max.c @@ -0,0 +1,37 @@ +/* Get POSIX {CHILD_MAX} run-time limit value. Unix version. + Copyright (C) 2006 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <limits.h> +#include <sys/sysinfo.h> +#include <sys/resource.h> + +#ifndef CHILD_MAX +long int +__get_child_max (void) +{ +# ifdef RLIMIT_NPROC + struct rlimit limit; + if (__getrlimit (RLIMIT_NPROC, &limit) == 0 + && limit.rlim_cur != RLIM_INFINITY) + return limit.rlim_cur; +# endif + + return -1; +} +#endif |