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#! /bin/sh -e
# DP: boehm-gc/pthread_support.c (GC_get_nprocs): Use sysconf as fallback.
dir=
if [ $# -eq 3 -a "$2" = '-d' ]; then
pdir="-d $3"
dir="$3/"
elif [ $# -ne 1 ]; then
echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
exit 1
fi
case "$1" in
-patch)
patch $pdir -f --no-backup-if-mismatch -p0 < $0
;;
-unpatch)
patch $pdir -f --no-backup-if-mismatch -R -p0 < $0
;;
*)
echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
exit 1
esac
exit 0
Index: boehm-gc/pthread_support.c
===================================================================
--- boehm-gc/pthread_support.c (revision 127207)
+++ boehm-gc/pthread_support.c (working copy)
@@ -724,7 +724,8 @@
f = open("/proc/stat", O_RDONLY);
if (f < 0 || (len = STAT_READ(f, stat_buf, STAT_BUF_SIZE)) < 100) {
WARN("Couldn't read /proc/stat\n", 0);
- return -1;
+ /* Fallback to sysconf after the warning */
+ return sysconf(_SC_NPROCESSORS_ONLN);
}
for (i = 0; i < len - 100; ++i) {
if (stat_buf[i] == '\n' && stat_buf[i+1] == 'c'
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