{"id":2221099,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2221099/?format=json","web_url":"http://patchwork.ozlabs.org/project/uclibc-ng/patch/20260408190035.2759806-8-cmirabil@redhat.com/","project":{"id":55,"url":"http://patchwork.ozlabs.org/api/1.1/projects/55/?format=json","name":"uClibc NG development","link_name":"uclibc-ng","list_id":"devel.uclibc-ng.org","list_email":"devel@uclibc-ng.org","web_url":"http://www.uclibc-ng.org","scm_url":"","webscm_url":"http://cgit.uclibc-ng.org/cgi/cgit/uclibc-ng.git"},"msgid":"<20260408190035.2759806-8-cmirabil@redhat.com>","date":"2026-04-08T19:00:35","name":"[uclibc-ng-devel,v1,7/7] spawn: allow file actions on no-mmu targets","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"9844693bd5869b6a373cd2a5e28492d3b08d2a22","submitter":{"id":82370,"url":"http://patchwork.ozlabs.org/api/1.1/people/82370/?format=json","name":"Charles Mirabile","email":"cmirabil@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/uclibc-ng/patch/20260408190035.2759806-8-cmirabil@redhat.com/mbox/","series":[{"id":499191,"url":"http://patchwork.ozlabs.org/api/1.1/series/499191/?format=json","web_url":"http://patchwork.ozlabs.org/project/uclibc-ng/list/?series=499191","date":"2026-04-08T19:00:29","name":"Bug fixes discovered trying to build allnoconfig","version":1,"mbox":"http://patchwork.ozlabs.org/series/499191/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2221099/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2221099/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=W9paV6yS;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=uclibc-ng.org\n (client-ip=89.238.66.15; 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no-senders; approved; loop;\n banned-address; emergency; member-moderation; nonmember-moderation;\n administrivia; implicit-dest; max-recipients; max-size; news-moderation;\n no-subject; digests; suspicious-header","CC":"Charles Mirabile ","X-Mailman-Version":"3.3.10","Precedence":"list","Subject":"[uclibc-ng-devel] [PATCH v1 7/7] spawn: allow file actions on no-mmu\n targets","List-Id":"uClibc-ng Development ","Archived-At":"\n ","List-Archive":"\n ","List-Help":"","List-Owner":"","List-Post":"","List-Subscribe":"","List-Unsubscribe":"","Content-Type":"text/plain; charset=\"us-ascii\"; x-default=\"true\"","Content-Transfer-Encoding":"7bit"},"content":"This allows using posix_spawn to safely implement programs like a shell\non a no-mmu system. Only libc knows enough about how things are actually\nworking in a multi-threaded program to safely break the rules from POSIX\nabout what is forbidden to do after calling vfork.\n\nSince we are libc, we know the exact semantics of vfork: that it is in\nfact safe to call into execute_file_actions and let it perform the few\nsyscalls needed to perform file actions as they will not trash any global\nstate.\n\nFixes: 0dcf66744 (\"librt: add posix_spawn support\")\nSigned-off-by: Charles Mirabile \n---\n librt/spawn.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)","diff":"diff --git a/librt/spawn.c b/librt/spawn.c\nindex 4171f9bb5..3e7d7cd37 100644\n--- a/librt/spawn.c\n+++ b/librt/spawn.c\n@@ -120,7 +120,7 @@ __spawni(pid_t *pid, const char *file,\n \tshort int flags = attrp ? attrp->__flags : 0;\n \n \tpid_t new_pid;\n-\tif (is_vfork_safe(flags) && !fa)\n+\tif (is_vfork_safe(flags))\n \t\tnew_pid = vfork();\n \telse {\n #ifdef __ARCH_USE_MMU__\n","prefixes":["uclibc-ng-devel","v1","7/7"]}