From a1bdd81664aa681364da368154c48501db249df9 Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Thu, 21 Apr 2022 09:41:59 -0300 Subject: Refactor internal-signals.h The main drive is to optimize the internal usage and required size when sigset_t is embedded in other data structures. On Linux, the current supported signal set requires up to 8 bytes (16 on mips), was lower than the user defined sigset_t (128 bytes). A new internal type internal_sigset_t is added, along with the functions to operate on it similar to the ones for sigset_t. The internal-signals.h is also refactored to remove unused functions Besides small stack usage on some functions (posix_spawn, abort) it lower the struct pthread by about 120 bytes (112 on mips). Checked on x86_64-linux-gnu. Reviewed-by: Arjun Shankar --- nptl/descr.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'nptl/descr.h') diff --git a/nptl/descr.h b/nptl/descr.h index b585263..5cacb28 100644 --- a/nptl/descr.h +++ b/nptl/descr.h @@ -35,6 +35,7 @@ #include #include #include +#include #ifndef TCB_ALIGNMENT # define TCB_ALIGNMENT 32 @@ -387,7 +388,7 @@ struct pthread /* Signal mask for the new thread. Used during thread startup to restore the signal mask. (Threads are launched with all signals masked.) */ - sigset_t sigmask; + internal_sigset_t sigmask; /* Indicates whether is a C11 thread created by thrd_creat. */ bool c11; -- cgit v1.1