Changeset bf60110 in git for Singular/links/ssiLink.cc

Timestamp:

Nov 8, 2013, 1:35:41 PM (9 years ago)

Author:

Andreas Steenpass <steenpass@…>

Branches:

(u'jengelh-datetime', 'ceac47cbc86fe4a15902392bdbb9bd2ae0ea02c6')(u'spielwiese', 'f875bbaccd0831e36aaed09ff6adeb3eb45aeb94')

Children:

abb12f44bb1ce32fc8fa27a5f627543824466fce

Parents:

1101a8c509d91a9d258834579976809a01834fd2

git-author:

Andreas Steenpass <steenpass@mathematik.uni-kl.de>2013-11-08 13:35:41+01:00

git-committer:

Andreas Steenpass <steenpass@mathematik.uni-kl.de>2013-11-08 15:20:33+01:00

Message:

chg: raise RLIMIT_NPROC if necessary for fork()
(cherry picked from commit 4f397cf7bc1b07f8c0dd8cab10d1311de491db21)

Signed-off-by: Andreas Steenpass <steenpass@mathematik.uni-kl.de>

File:

• Singular/links/ssiLink.cc (modified) (2 diffs)

Singular/links/ssiLink.cc

@@ -38 +38 @@
 #include <libpolys/misc/options.h>
 #include <kernel/timer.h>
+#include <Singular/rlimit.h>
 #include <Singular/subexpr.h>
 #include <Singular/links/silink.h>
@@ -779 +780 @@
         pipe(pc);
         pipe(cp);
-        pid_t pid=fork();
+        pid_t pid = fork();
+        if (pid == -1 && errno == EAGAIN)   // RLIMIT_NPROC too low?
+        {
+          raise_rlimit_nproc();
+          pid = fork();
+        }
+        if (pid == -1)
+        {
+          WerrorS("could not fork");
+        }
         if (pid==0) /*fork: child*/
         {