aboutsummaryrefslogtreecommitdiff
path: root/src/util/mutex.c
diff options
context:
space:
mode:
authorChristian Cunningham <cc@localhost>2022-03-12 16:39:39 -0800
committerChristian Cunningham <cc@localhost>2022-03-12 16:39:39 -0800
commita29f40e073a0308bd74f0f9803a4660aa233c3ab (patch)
treee607ee7eed39da0e1dcf65c4eb76dd1426899f85 /src/util/mutex.c
parentb62c324bde267a5a940b1d06f44f62a125aef50d (diff)
"Dynamic" Mutex Allocation
Diffstat (limited to 'src/util/mutex.c')
-rw-r--r--src/util/mutex.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/util/mutex.c b/src/util/mutex.c
index e69de29..3171501 100644
--- a/src/util/mutex.c
+++ b/src/util/mutex.c
@@ -0,0 +1,26 @@
+#include <util/mutex.h>
+#include <globals.h>
+
+struct Mutex* create_mutex(void* addr)
+{
+ for (unsigned long m = 0; m < MAX_MUTEXS; m++) {
+ if (mutex_table[m] == 0) {
+ mutex_table[m] = (unsigned long)addr;
+ mutexs[m].pid = 0;
+ mutexs[m].addr = addr;
+ return &mutexs[m];
+ }
+ }
+ return 0;
+}
+
+unsigned char delete_mutex(struct Mutex* m)
+{
+ for (unsigned long i = 0; i < MAX_MUTEXS; i++) {
+ if (mutex_table[i] == (unsigned long)m->addr) {
+ mutex_table[i] = 0;
+ return 0;
+ }
+ }
+ return 1;
+}