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bug #22010: The increased stack rlimit is inherited by the subprocesses to make. http://savannah.gnu.org/bugs/?22010 http://cvs.savannah.gnu.org/viewvc/make/make.h?root=make&r1=1.132&r2=1.133&view=patch http://cvs.savannah.gnu.org/viewvc/make/main.c?root=make&r1=1.228&r2=1.229&view=patch http://cvs.savannah.gnu.org/viewvc/make/job.c?root=make&r1=1.191&r2=1.192&view=patch 2009-06-07 Paul Smith <[email protected]> * make.h: Move SET_STACK_SIZE determination to make.h. * main.c (main): New global variable, STACK_LIMIT, holds the original stack limit when make was started. * job.c (start_job_command): Reset the stack limit, if we changed it. Fixes Savannah bug #22010.user/karasz/next/updates
Christian Wiese
16 years ago
committed by
Christian Wiese
1 changed files with 127 additions and 0 deletions
@ -0,0 +1,127 @@
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# --- SDE-COPYRIGHT-NOTE-BEGIN ---
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# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
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#
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# Filename: package/.../make/0002-fix-stack-limit.patch
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# Copyright (C) 2010 The OpenSDE Project
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#
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# More information can be found in the files COPYING and README.
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#
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# This patch file is dual-licensed. It is available under the license the
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# patched project is licensed under, as long as it is an OpenSource license
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# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
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# of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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# --- SDE-COPYRIGHT-NOTE-END ---
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bug #22010: The increased stack rlimit is inherited by the subprocesses to make.
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http://savannah.gnu.org/bugs/?22010
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http://cvs.savannah.gnu.org/viewvc/make/make.h?root=make&r1=1.132&r2=1.133&view=patch
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http://cvs.savannah.gnu.org/viewvc/make/main.c?root=make&r1=1.228&r2=1.229&view=patch
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http://cvs.savannah.gnu.org/viewvc/make/job.c?root=make&r1=1.191&r2=1.192&view=patch
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2009-06-07 Paul Smith <[email protected]>
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* make.h: Move SET_STACK_SIZE determination to make.h.
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* main.c (main): New global variable, STACK_LIMIT, holds the
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original stack limit when make was started.
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* job.c (start_job_command): Reset the stack limit, if we changed it.
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Fixes Savannah bug #22010.
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diff --git a/job.c b/job.c
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index 3251efe..7fe08fa 100644
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--- a/job.c
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+++ b/job.c
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@@ -1275,6 +1275,12 @@ start_job_command (struct child *child)
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if (job_rfd >= 0)
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close (job_rfd);
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+#ifdef SET_STACK_SIZE
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+ /* Reset limits, if necessary. */
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+ if (stack_limit.rlim_cur)
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+ setrlimit (RLIMIT_STACK, &stack_limit);
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+#endif
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+
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child_execute_job (child->good_stdin ? 0 : bad_stdin, 1,
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argv, child->environment);
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}
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@@ -2237,7 +2243,7 @@ construct_command_argv_internal (char *line, char **restp, char *shell,
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"for", "case", "if", ":", ".", "break",
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"continue", "export", "read", "readonly",
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"shift", "times", "trap", "switch", "unset",
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- 0 };
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+ "ulimit", 0 };
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char *sh_chars;
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char **sh_cmds;
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diff --git a/main.c b/main.c
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index 483babf..42964e0 100644
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--- a/main.c
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+++ b/main.c
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@@ -44,14 +44,6 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. */
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# include <fcntl.h>
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#endif
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-#if defined(HAVE_SYS_RESOURCE_H) && defined(HAVE_GETRLIMIT) && defined(HAVE_SETRLIMIT)
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-# define SET_STACK_SIZE
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-#endif
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-
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-#ifdef SET_STACK_SIZE
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-# include <sys/resource.h>
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-#endif
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-
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#ifdef _AMIGA
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int __stack = 20000; /* Make sure we have 20K of stack space */
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#endif
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@@ -213,6 +205,13 @@ int print_version_flag = 0;
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static struct stringlist *makefiles = 0;
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+/* Size of the stack when we started. */
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+
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+#ifdef SET_STACK_SIZE
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+struct rlimit stack_limit;
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+#endif
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+
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+
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/* Number of job slots (commands that can be run at once). */
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unsigned int job_slots = 1;
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@@ -919,11 +918,15 @@ main (int argc, char **argv, char **envp)
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struct rlimit rlim;
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/* Set the stack limit huge so that alloca does not fail. */
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- if (getrlimit (RLIMIT_STACK, &rlim) == 0)
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+ if (getrlimit (RLIMIT_STACK, &rlim) == 0
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+ && rlim.rlim_cur > 0 && rlim.rlim_cur < rlim.rlim_max)
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{
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+ stack_limit = rlim;
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rlim.rlim_cur = rlim.rlim_max;
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setrlimit (RLIMIT_STACK, &rlim);
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}
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+ else
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+ stack_limit.rlim_cur = 0;
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}
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#endif
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diff --git a/make.h b/make.h
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index 994f4f2..25c2bef 100644
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--- a/make.h
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+++ b/make.h
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@@ -378,6 +378,14 @@ extern int no_default_sh_exe;
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extern int unixy_shell;
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#endif /* WINDOWS32 */
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+#if defined(HAVE_SYS_RESOURCE_H) && defined(HAVE_GETRLIMIT) && defined(HAVE_SETRLIMIT)
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+# define SET_STACK_SIZE
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+#endif
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+#ifdef SET_STACK_SIZE
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+# include <sys/resource.h>
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+struct rlimit stack_limit;
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+#endif
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+
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struct floc
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{
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const char *filenm;
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--
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1.6.5.3
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