Re: bug#9076: coreutils-8.12 uses SA_RESETHAND and SA_RESTART unconditionally

2011-07-15 Thread Paul Eggert
On 07/14/11 17:25, Pádraig Brady wrote: I'm not sure about defining these to 0 in gnulib. That will silently ignore the intent of a program on certain platforms. Wouldn't it be better to fail to compile so that each program then does: #ifndef SA_RESETHAND /* do something else */ #endif

Re: bug#9076: coreutils-8.12 uses SA_RESETHAND and SA_RESTART unconditionally

2011-07-15 Thread Bruno Haible
Paul Eggert wrote: --- a/doc/posix-functions/sigaction.texi +++ b/doc/posix-functions/sigaction.texi A documentation update for the header file, in doc/posix-headers/signal.texi, would also be useful. Bruno -- In memoriam Natalya Estemirova http://en.wikipedia.org/wiki/Natalya_Estemirova

Re: bug#9076: coreutils-8.12 uses SA_RESETHAND and SA_RESTART unconditionally

2011-07-15 Thread Pádraig Brady
On 15/07/11 08:50, Paul Eggert wrote: On 07/14/11 17:25, Pádraig Brady wrote: I'm not sure about defining these to 0 in gnulib. That will silently ignore the intent of a program on certain platforms. Wouldn't it be better to fail to compile so that each program then does: #ifndef

Re: bug#9076: coreutils-8.12 uses SA_RESETHAND and SA_RESTART unconditionally

2011-07-15 Thread Eric Blake
On 07/15/2011 04:28 AM, Pádraig Brady wrote: On 15/07/11 08:50, Paul Eggert wrote: On 07/14/11 17:25, Pádraig Brady wrote: I'm not sure about defining these to 0 in gnulib. That will silently ignore the intent of a program on certain platforms. Absolutely. What I was getting was that it's

ifdef setpgid() usage in lib/spawni.c for Minix

2011-07-15 Thread Thomas Cort
Hello, I've been working on pkgsrc for the Minix project and we've been patching lib/spawni.c in several packages (bison, gettext, m4, ...) because Minix lacks setpgid(). I lack the autotools and gnulib knowledge to patch test gnulib itself, but in general the fix would involve adding a check

[PATCH] ffs: avoid undefined behavior

2011-07-15 Thread Eric Blake
* lib/ffs.c (ffs): Provide fallback for non-32-bit int. * tests/test-ffs.c (naive, main): Avoid signed shifts. Reported by Bruno Haible. Signed-off-by: Eric Blake ebl...@redhat.com --- ChangeLog|7 +++ lib/ffs.c| 31 +++ tests/test-ffs.c |

[PATCH 1/2] ffs: fix m4 prerequisite

2011-07-15 Thread Eric Blake
* m4/ffs.m4 (gl_FUNC_FFS): Require strings.h defaults. Signed-off-by: Eric Blake ebl...@redhat.com --- ChangeLog |3 +++ m4/ffs.m4 |3 ++- 2 files changed, 5 insertions(+), 1 deletions(-) diff --git a/ChangeLog b/ChangeLog index 2a67a7e..49dcd7f 100644 --- a/ChangeLog +++ b/ChangeLog @@

[PATCH 2/2] ffsl, ffsll: new modules

2011-07-15 Thread Eric Blake
* modules/ffsl: New file. * modules/ffsll: Likewise. * m4/ffsl.m4: Likewise. * m4/ffsll.m4: Likewise. * lib/ffsl.c: Likewise. * lib/ffsl.h: Likewise. * lib/ffsll.c: Likewise. * m4/string_h.m4 (gl_HEADER_STRING_H_BODY) (gl_HEADER_STRING_H_DEFAULTS): Add defaults. * modules/string (Makefile.am):

Re: [PATCH 2/2] ffsl, ffsll: new modules

2011-07-15 Thread Bruno Haible
Eric Blake wrote: * modules/ffsl-tests: New test file. * modules/ffsll-tests: Likewise. * tests/test-ffsl.c: Likewise. * tests/test-ffsll.c: Likewise. It doesn't hurt to clarify how these functions work on bit patterns that represent negative numbers and have more than one bit set.

Re: bug#9076: coreutils-8.12 uses SA_RESETHAND and SA_RESTART unconditionally

2011-07-15 Thread Paul Eggert
On 07/15/11 03:28, Pádraig Brady wrote: What I was getting was that it's probably better to leave the following to the app too: #ifndef SA_RESETHAND # define SA_RESETHAND 0 /* Now the app writer knows they need to handle this case */ #endif Yes, you're probably right. I'll send some

Re: [PATCH 2/2] ffsl, ffsll: new modules

2011-07-15 Thread Bruno Haible
Eric Blake wrote: +int +FUNC (TYPE i) +{ + int result = 0; + unsigned TYPE j = i; + + /* GCC has __builtin_ffs, but it is limited to int. */ + if (!i) +return 0; + while (1) +{ + if ((int) j) +return result + ffs (j); + j = CHAR_BIT * sizeof (int); +

Re: bug#9076: coreutils-8.12 uses SA_RESETHAND and SA_RESTART unconditionally

2011-07-15 Thread Paul Eggert
On 07/15/11 03:28, Bruno Haible wrote: Paul Eggert wrote: --- a/doc/posix-functions/sigaction.texi +++ b/doc/posix-functions/sigaction.texi A documentation update for the header file, in doc/posix-headers/signal.texi, would also be useful. Thanks, I pushed this: doc: Document NonStop