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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2019-02-15 11:55:16 -0200
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2019-04-17 15:14:41 -0300
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powerpc: Remove rt_sigreturn usage on context function
As described in a recent glibc thread [1], the rt_sigreturn syscall on setcontext and swapcontext is not used on default use and its intention is no really supported since neither setcontext nor swapcontext are async-signal-safe. Checked on powerpc64-linux-gnu and powerpc-linux-gnu. * sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S: Remove rt_sigreturn call. * sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S: Likewie. * sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S: Likewise. [1] https://sourceware.org/ml/libc-alpha/2019-02/msg00367.html
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2019-04-17 Adhemerval Zanella <adhemerval.zanella@linaro.org>
+ * sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S:
+ Remove rt_sigreturn call.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S:
+ Likewise.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S: Likewie.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S: Likewise.
+
* support/Makefile (libsupport-routines): Add support_subprocess,
xposix_spawn, xposix_spawn_file_actions_addclose, and
xposix_spawn_file_actions_adddup2.