pythongh-125161: return non zero value in pthread_self on wasi (python#125303)

kumaraditya303 · web-flow · commit 08489325d1cd · 2024-10-13T20:59:41.000+05:30
diff --git a/Python/thread_pthread_stubs.h b/Python/thread_pthread_stubs.h
@@ -1,5 +1,9 @@
 #include "cpython/pthread_stubs.h"
 
+typedef struct py_stub_tls_entry py_tls_entry;
+
+#define py_tls_entries (_PyRuntime.threads.stubs.tls_entries)
+
 // mutex
 int
 pthread_mutex_init(pthread_mutex_t *restrict mutex,
@@ -105,7 +109,7 @@ pthread_join(pthread_t thread, void** value_ptr)
 
 PyAPI_FUNC(pthread_t) pthread_self(void)
 {
-    return 0;
+    return (pthread_t)(uintptr_t)&py_tls_entries;
 }
 
 int
@@ -134,10 +138,6 @@ pthread_attr_destroy(pthread_attr_t *attr)
 }
 
 
-typedef struct py_stub_tls_entry py_tls_entry;
-
-#define py_tls_entries (_PyRuntime.threads.stubs.tls_entries)
-
 int
 pthread_key_create(pthread_key_t *key, void (*destr_function)(void *))
 {

Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,9 @@`
`1`	`1`	`#include "cpython/pthread_stubs.h"`
`2`	`2`
	`3`	`+typedef struct py_stub_tls_entry py_tls_entry;`
	`4`	`+`
	`5`	`+#define py_tls_entries (_PyRuntime.threads.stubs.tls_entries)`
	`6`	`+`
`3`	`7`	`// mutex`
`4`	`8`	`int`
`5`	`9`	`pthread_mutex_init(pthread_mutex_t *restrict mutex,`
`@@ -105,7 +109,7 @@ pthread_join(pthread_t thread, void** value_ptr)`
`105`	`109`
`106`	`110`	`PyAPI_FUNC(pthread_t) pthread_self(void)`
`107`	`111`	`{`
`108`		`- return 0;`
	`112`	`+ return (pthread_t)(uintptr_t)&py_tls_entries;`
`109`	`113`	`}`
`110`	`114`
`111`	`115`	`int`
`@@ -134,10 +138,6 @@ pthread_attr_destroy(pthread_attr_t *attr)`
`134`	`138`	`}`
`135`	`139`
`136`	`140`
`137`		`-typedef struct py_stub_tls_entry py_tls_entry;`
`138`		`-`
`139`		`-#define py_tls_entries (_PyRuntime.threads.stubs.tls_entries)`
`140`		`-`
`141`	`141`	`int`
`142`	`142`	`pthread_key_create(pthread_key_t key, void (destr_function)(void *))`
`143`	`143`	`{`