From ef2ffa51652550cf7f3d098f4353a1027e4ae22f Mon Sep 17 00:00:00 2001 From: Marcus Brinkmann Date: Fri, 6 Jun 2003 00:22:27 +0000 Subject: [PATCH] 2003-06-06 Marcus Brinkmann * posix-io.c (_gpgme_io_read): Save errno across debug calls. (_gpgme_io_write): Likewise. (_gpgme_io_pipe): Likewise. (_gpgme_io_select): Likewise. --- TODO | 1 - gpgme/ChangeLog | 5 +++++ gpgme/posix-io.c | 15 +++++++++++++-- 3 files changed, 18 insertions(+), 3 deletions(-) diff --git a/TODO b/TODO index 0597747..ae737f0 100644 --- a/TODO +++ b/TODO @@ -2,7 +2,6 @@ Hey Emacs, this is -*- outline -*- mode! * Before release: ** Change gpgme_invalid_user_id_t to gpgme_invalid_key_t. -** Make sure POSIX I/O functions set errno properly ** gpgme-config must include info about libgpg-error. * ABI's to break: diff --git a/gpgme/ChangeLog b/gpgme/ChangeLog index 2ba0889..ae9cf58 100644 --- a/gpgme/ChangeLog +++ b/gpgme/ChangeLog @@ -1,5 +1,10 @@ 2003-06-06 Marcus Brinkmann + * posix-io.c (_gpgme_io_read): Save errno across debug calls. + (_gpgme_io_write): Likewise. + (_gpgme_io_pipe): Likewise. + (_gpgme_io_select): Likewise. + * rungpg.c (struct engine_gpg): Remove arg_error. (add_arg): Don't set arg_error. (add_data): Likewise. diff --git a/gpgme/posix-io.c b/gpgme/posix-io.c index 6b37a44..2969eb9 100644 --- a/gpgme/posix-io.c +++ b/gpgme/posix-io.c @@ -49,16 +49,19 @@ int _gpgme_io_read (int fd, void *buffer, size_t count) { int nread; + int saved_errno; DEBUG2 ("fd %d: about to read %d bytes\n", fd, (int) count); do { nread = _gpgme_ath_read (fd, buffer, count); } - while (nread == -1 && errno == EINTR ); + while (nread == -1 && errno == EINTR); + saved_errno = errno; DEBUG2 ("fd %d: got %d bytes\n", fd, nread); if (nread > 0) _gpgme_debug (2, "fd %d: got `%.*s'\n", fd, nread, buffer); + errno = saved_errno; return nread; } @@ -66,6 +69,7 @@ _gpgme_io_read (int fd, void *buffer, size_t count) int _gpgme_io_write (int fd, const void *buffer, size_t count) { + int saved_errno; int nwritten; DEBUG2 ("fd %d: about to write %d bytes\n", fd, (int) count); @@ -75,13 +79,17 @@ _gpgme_io_write (int fd, const void *buffer, size_t count) nwritten = _gpgme_ath_write (fd, buffer, count); } while (nwritten == -1 && errno == EINTR); + saved_errno = errno; DEBUG2 ("fd %d: wrote %d bytes\n", fd, (int) nwritten); + errno = saved_errno; return nwritten; } + int _gpgme_io_pipe (int filedes[2], int inherit_idx) { + int saved_errno; int err; err = pipe (filedes); @@ -89,11 +97,13 @@ _gpgme_io_pipe (int filedes[2], int inherit_idx) return err; /* FIXME: Should get the old flags first. */ err = fcntl (filedes[1 - inherit_idx], F_SETFD, FD_CLOEXEC); + saved_errno = errno; if (err < 0) { close (filedes[0]); close (filedes[1]); } + errno = saved_errno; return err; } @@ -157,7 +167,6 @@ _gpgme_io_spawn (const char *path, char **argv, pid_t pid; int i; int status, signo; - LOCK (fixed_signals_lock); if (!fixed_signals) { @@ -356,7 +365,9 @@ _gpgme_io_select (struct io_select_fd_s *fds, size_t nfds, int nonblock) while (count < 0 && errno == EINTR); if (count < 0) { + int saved_errno = errno; DEBUG1 ("_gpgme_io_select failed: %s\n", strerror (errno)); + errno = saved_errno; return -1; /* error */ } -- 2.26.2