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common: Restore a simpler variant of 'gnupg_wait_process'.

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* common/exechelp-posix.c (gnupg_wait_process): Use the code prior to
5ba4f604.

Signed-off-by: Justus Winter <justus@g10code.com>
This commit is contained in:
Justus Winter 2016-09-05 15:34:44 +02:00
parent 845e2cc201
commit c97bde2dfe
1 changed files with 53 additions and 1 deletions
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54
common/exechelp-posix.c
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@ -647,7 +647,59 @@ get_result (pid_t pid, int *r_exitcode)
gpg_error_t gpg_error_t
gnupg_wait_process (const char *pgmname, pid_t pid, int hang, int *r_exitcode) gnupg_wait_process (const char *pgmname, pid_t pid, int hang, int *r_exitcode)
{ {
return gnupg_wait_processes (&pgmname, &pid, 1, hang, r_exitcode); gpg_err_code_t ec;
int i, status;
if (r_exitcode)
*r_exitcode = -1;
if (pid == (pid_t)(-1))
return gpg_error (GPG_ERR_INV_VALUE);
#ifdef USE_NPTH
i = npth_waitpid (pid, &status, hang? 0:WNOHANG);
#else
while ((i=waitpid (pid, &status, hang? 0:WNOHANG)) == (pid_t)(-1)
&& errno == EINTR);
#endif
if (i == (pid_t)(-1))
{
ec = gpg_err_code_from_errno (errno);
log_error (_("waiting for process %d to terminate failed: %s\n"),
(int)pid, strerror (errno));
}
else if (!i)
{
ec = GPG_ERR_TIMEOUT; /* Still running. */
}
else if (WIFEXITED (status) && WEXITSTATUS (status) == 127)
{
log_error (_("error running '%s': probably not installed\n"), pgmname);
ec = GPG_ERR_CONFIGURATION;
}
else if (WIFEXITED (status) && WEXITSTATUS (status))
{
if (!r_exitcode)
log_error (_("error running '%s': exit status %d\n"), pgmname,
WEXITSTATUS (status));
else
*r_exitcode = WEXITSTATUS (status);
ec = GPG_ERR_GENERAL;
}
else if (!WIFEXITED (status))
{
log_error (_("error running '%s': terminated\n"), pgmname);
ec = GPG_ERR_GENERAL;
}
else
{
if (r_exitcode)
*r_exitcode = 0;
ec = 0;
}
return gpg_err_make (GPG_ERR_SOURCE_DEFAULT, ec);
} }
/* See exechelp.h for a description. */ /* See exechelp.h for a description. */