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authorTaru Karttunen <taruti@taruti.net>2011-03-30 15:46:40 +0300
committerTaru Karttunen <taruti@taruti.net>2011-03-30 15:46:40 +0300
commite5888a1ffdae813d7575f5fb02275c6bb07e5199 (patch)
treed8d51eac403f07814b9e936eed0c9a79195e2450 /sys/src/libthread/386.c
Import sources from 2011-03-30 iso image
Diffstat (limited to 'sys/src/libthread/386.c')
-rwxr-xr-xsys/src/libthread/386.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/sys/src/libthread/386.c b/sys/src/libthread/386.c
new file mode 100755
index 000000000..e85248fd2
--- /dev/null
+++ b/sys/src/libthread/386.c
@@ -0,0 +1,24 @@
+#include <u.h>
+#include <libc.h>
+#include <thread.h>
+#include "threadimpl.h"
+
+static void
+launcher386(void (*f)(void *arg), void *arg)
+{
+ (*f)(arg);
+ threadexits(nil);
+}
+
+void
+_threadinitstack(Thread *t, void (*f)(void*), void *arg)
+{
+ ulong *tos;
+
+ tos = (ulong*)&t->stk[t->stksize&~7];
+ *--tos = (ulong)arg;
+ *--tos = (ulong)f;
+ t->sched[JMPBUFPC] = (ulong)launcher386+JMPBUFDPC;
+ t->sched[JMPBUFSP] = (ulong)tos - 8; /* old PC and new PC */
+}
+