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* process.c (proc_exec_v, rb_proc_exec): preserve errno.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@12626 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2007-06-26 07:33:48 +00:00
parent 49ea07f8fc
commit 66169822de
2 changed files with 9 additions and 2 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Tue Jun 26 16:33:45 2007 Nobuyoshi Nakada <nobu@ruby-lang.org>
* process.c (proc_exec_v, rb_proc_exec): preserve errno.
Sat Jun 23 00:37:46 2007 Yukihiro Matsumoto <matz@ruby-lang.org>
* hash.c (rb_hash_select): remove unnecessary varargs for

7
process.c
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@ -110,6 +110,9 @@ static VALUE S_Tms;
#endif
#endif
#define preserving_errno(stmts) \
do {int saved_errno = errno; stmts; errno = saved_errno;} while (0)
/*
* call-seq:
@ -982,7 +985,7 @@ proc_exec_v(argv, prog)
#endif /* MSDOS or __human68k__ or __EMX__ */
before_exec();
execv(prog, argv);
after_exec();
preserving_errno(after_exec());
return -1;
}
@ -1051,7 +1054,7 @@ rb_proc_exec(str)
#else
before_exec();
execl("/bin/sh", "sh", "-c", str, (char *)NULL);
after_exec();
preserving_errno(after_exec());
#endif
#endif
return -1;