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authorJon Turney <jon.turney@dronecode.org.uk>2024-01-09 17:12:31 +0300
committerJon Turney <jon.turney@dronecode.org.uk>2024-01-16 17:07:05 +0300
commitb7868e74103541f3271a170fe3bc2b19a00cc8cf (patch)
tree6db5e9e36d47b0acc1102d7d9a5f473a357e5f0e /winsup
parent91457377d6c9f89a08b1b70e45cbae87ef467119 (diff)
Cygwin: Disable writing core dumps by default.
Change the default core limit from unlimited to 0 (disabled)
Diffstat (limited to 'winsup')
-rw-r--r--winsup/cygwin/mm/cygheap.cc2
-rw-r--r--winsup/cygwin/release/3.5.03
-rw-r--r--winsup/doc/new-features.xml6
3 files changed, 10 insertions, 1 deletions
diff --git a/winsup/cygwin/mm/cygheap.cc b/winsup/cygwin/mm/cygheap.cc
index a20ee5972..3dc0c011f 100644
--- a/winsup/cygwin/mm/cygheap.cc
+++ b/winsup/cygwin/mm/cygheap.cc
@@ -294,7 +294,7 @@ cygheap_init ()
cygheap->locale.mbtowc = __utf8_mbtowc;
/* Set umask to a sane default. */
cygheap->umask = 022;
- cygheap->rlim_core = RLIM_INFINITY;
+ cygheap->rlim_core = 0;
}
if (!cygheap->fdtab)
cygheap->fdtab.init ();
diff --git a/winsup/cygwin/release/3.5.0 b/winsup/cygwin/release/3.5.0
index 1e62316a0..5940d8054 100644
--- a/winsup/cygwin/release/3.5.0
+++ b/winsup/cygwin/release/3.5.0
@@ -64,3 +64,6 @@ What changed:
- When RLIMIT_CORE is more than 1MB, a core dump file which can be loaded by gdb
is now written on a fatal error. Otherwise, if it's greater than zero, a text
format .stackdump file is written, as previously.
+
+- The default RLIMIT_CORE is now 0, disabling the generation of core dump or
+ stackdump files.
diff --git a/winsup/doc/new-features.xml b/winsup/doc/new-features.xml
index f8e38f5c4..17c688f89 100644
--- a/winsup/doc/new-features.xml
+++ b/winsup/doc/new-features.xml
@@ -103,6 +103,12 @@ is now written on a fatal error. Otherwise, if it's greater than zero, a text
format .stackdump file is written, as previously.
</para></listitem>
+<listitem><para>
+The default RLIMIT_CORE is now 0, disabling the generation of core dump or
+stackdump files. Use e.g. <code>ulimit -c unlimited</code> or <code>ulimit -c
+1024</code> to enable them again.
+</para></listitem>
+
</itemizedlist>
</sect2>