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authorrsc <devnull@localhost>2004-06-09 14:22:08 +0000
committerrsc <devnull@localhost>2004-06-09 14:22:08 +0000
commit9c635587071dcd7db349ec24ece1b397d24ac486 (patch)
treefcaf992109d4492e0ccf0a243b181850d7fbe3fa /src/lib9/malloc.c
parentf437e56d1d5c8180ee2f93273f78393426efd5f9 (diff)
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Diffstat (limited to 'src/lib9/malloc.c')
-rw-r--r--src/lib9/malloc.c43
1 files changed, 13 insertions, 30 deletions
diff --git a/src/lib9/malloc.c b/src/lib9/malloc.c
index 7c5b1786..2c6731ea 100644
--- a/src/lib9/malloc.c
+++ b/src/lib9/malloc.c
@@ -1,58 +1,41 @@
-#include <u.h>
-#define NOPLAN9DEFINES
-#include <libc.h>
-
/*
- * The Unix libc routines cannot be trusted to do their own locking.
- * Sad but apparently true.
+ * These are here mainly so that I can link against
+ * debugmalloc.c instead and not recompile the world.
*/
-static Lock malloclock;
+#include <u.h>
+#define NOPLAN9DEFINES
+#include <libc.h>
void*
p9malloc(ulong n)
{
void *v;
+
if(n == 0)
n++;
-//fprint(2, "%s %d malloc\n", argv0, getpid());
- lock(&malloclock);
- v = malloc(n);
- unlock(&malloclock);
-//fprint(2, "%s %d donemalloc\n", argv0, getpid());
- return v;
+ return malloc(n);
}
void
p9free(void *v)
{
-//fprint(2, "%s %d free\n", argv0, getpid());
- lock(&malloclock);
+ if(v == nil)
+ return;
free(v);
- unlock(&malloclock);
-//fprint(2, "%s %d donefree\n", argv0, getpid());
}
void*
p9calloc(ulong a, ulong b)
{
- void *v;
+ if(a*b == 0)
+ a = b = 1;
-//fprint(2, "%s %d calloc\n", argv0, getpid());
- lock(&malloclock);
- v = calloc(a, b);
- unlock(&malloclock);
-//fprint(2, "%s %d donecalloc\n", argv0, getpid());
- return v;
+ return calloc(a*b, 1);
}
void*
p9realloc(void *v, ulong n)
{
-//fprint(2, "%s %d realloc\n", argv0, getpid());
- lock(&malloclock);
- v = realloc(v, n);
- unlock(&malloclock);
-//fprint(2, "%s %d donerealloc\n", argv0, getpid());
- return v;
+ return realloc(v, n);
}