diff mbox series

[v2] win32: check for NULL after creating thread

Message ID pull.1445.v2.git.git.1675176818033.gitgitgadget@gmail.com (mailing list archive)
State Superseded
Headers show
Series [v2] win32: check for NULL after creating thread | expand

Commit Message

Seija Kijin Jan. 31, 2023, 2:53 p.m. UTC
From: Seija Kijin <doremylover123@gmail.com>

Check for NULL handles, not "INVALID_HANDLE,"
as CreateThread guarantees a valid handle in most cases.

The return value for failed thread creation is NULL,
not INVALID_HANDLE_VALUE, unlike other Windows
API functions.

Signed-off-by: Seija Kijin <doremylover123@gmail.com>
---
    win32: check for NULL after creating thread
    
    Check for NULL handles, not "INVALID_HANDLE," as CreateThread guarantees
    a valid handle in most cases.
    
    The return value for failed thread creation is NULL, not
    INVALID_HANDLE_VALUE, unlike other Windows API functions.
    
    Signed-off-by: Seija Kijin doremylover123@gmail.com

Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-git-1445%2FAtariDreams%2FhThread-v2
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-git-1445/AtariDreams/hThread-v2
Pull-Request: https://github.com/git/git/pull/1445

Range-diff vs v1:

 1:  e75d15e42f4 ! 1:  c956cafdec9 win32: check for NULL when creating thread
     @@ Metadata
      Author: Seija Kijin <doremylover123@gmail.com>
      
       ## Commit message ##
     -    win32: check for NULL when creating thread
     +    win32: check for NULL after creating thread
      
          Check for NULL handles, not "INVALID_HANDLE,"
          as CreateThread guarantees a valid handle in most cases.


 compat/winansi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)


base-commit: 2fc9e9ca3c7505bc60069f11e7ef09b1aeeee473
diff mbox series

Patch

diff --git a/compat/winansi.c b/compat/winansi.c
index 3abe8dd5a27..f83610f684d 100644
--- a/compat/winansi.c
+++ b/compat/winansi.c
@@ -644,7 +644,7 @@  void winansi_init(void)
 
 	/* start console spool thread on the pipe's read end */
 	hthread = CreateThread(NULL, 0, console_thread, NULL, 0, NULL);
-	if (hthread == INVALID_HANDLE_VALUE)
+	if (!hthread)
 		die_lasterr("CreateThread(console_thread) failed");
 
 	/* schedule cleanup routine */