common,w32: Communicate with child in non-blocking mode.

* common/exechelp-w32.c (gnupg_spawn_process): Open streams in
non-blocking mode if requested.

Fixes-commit: 83811e3f1f
Signed-off-by: Justus Winter <justus@g10code.com>
This commit is contained in:
Justus Winter 2016-10-18 14:04:54 +02:00
parent f2d39a6d05
commit 05a1e41233
1 changed files with 4 additions and 3 deletions

View File

@ -418,6 +418,7 @@ gnupg_spawn_process (const char *pgmname, const char *argv[],
int i;
es_syshd_t syshd;
gpg_err_source_t errsource = default_errsource;
int nonblock = !!(flags & GNUPG_SPAWN_NONBLOCK);
(void)except; /* Not yet used. */
@ -440,7 +441,7 @@ gnupg_spawn_process (const char *pgmname, const char *argv[],
syshd.type = ES_SYSHD_HANDLE;
syshd.u.handle = inpipe[1];
infp = es_sysopen (&syshd, "w");
infp = es_sysopen (&syshd, nonblock? "w,nonblock" : "w");
if (!infp)
{
err = gpg_err_make (errsource, gpg_err_code_from_syserror ());
@ -464,7 +465,7 @@ gnupg_spawn_process (const char *pgmname, const char *argv[],
syshd.type = ES_SYSHD_HANDLE;
syshd.u.handle = outpipe[0];
outfp = es_sysopen (&syshd, "r");
outfp = es_sysopen (&syshd, nonblock? "r,nonblock" : "r");
if (!outfp)
{
err = gpg_err_make (errsource, gpg_err_code_from_syserror ());
@ -494,7 +495,7 @@ gnupg_spawn_process (const char *pgmname, const char *argv[],
syshd.type = ES_SYSHD_HANDLE;
syshd.u.handle = errpipe[0];
errfp = es_sysopen (&syshd, "r");
errfp = es_sysopen (&syshd, nonblock? "r,nonblock" : "r");
if (!errfp)
{
err = gpg_err_make (errsource, gpg_err_code_from_syserror ());