patches/glibc/2.5.1/190-alpha-sigsuspend.patch
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Mon Feb 13 21:47:25 2012 +0100 (2012-02-13)
changeset 2883 cea814c9932a
parent 744 4bf8448536d5
permissions -rw-r--r--
libc/glibc: do not consume parameters when parsing them

Currently, there are two constructs used to parse arguments in
glibc backends, one that consumes args as they are parsed, and
one that does not.

Always use the construct that does not eat args as they are parsed.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
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--- glibc-2.5/sysdeps/unix/sysv/linux/alpha/sigsuspend.S.orig	2006-10-22 22:17:01.000000000 +0200
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+++ glibc-2.5/sysdeps/unix/sysv/linux/alpha/sigsuspend.S	2006-10-22 22:18:05.000000000 +0200
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@@ -31,3 +31,21 @@
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 libc_hidden_def (__sigsuspend)
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 weak_alias (__sigsuspend, sigsuspend)
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 strong_alias (__sigsuspend, __libc_sigsuspend)
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+
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+#ifndef NO_CANCELLATION
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+	.globl __sigsuspend_nocancel;
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+	.align 4;
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+	.type __sigsuspend_nocancel, @function;
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+	.usepv __sigsuspend_nocancel, std;
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+	cfi_startproc;
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+__LABEL(__sigsuspend_nocancel)
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+	ldgp    gp, 0(pv);
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+	PSEUDO_PROF;
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+	PSEUDO_PREPARE_ARGS
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+	lda     v0, SYS_ify(sigsuspend);
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+	call_pal PAL_callsys;
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+	bne     a3, SYSCALL_ERROR_LABEL;
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+	ret;
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+	cfi_endproc;
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+	.size __sigsuspend_nocancel, .-__sigsuspend_nocancel
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+#endif