[git] GPG-ERROR - branch, master, updated. libgpg-error-1.27-238-g4acf116
by Werner Koch
cvs at cvs.gnupg.org
Wed Nov 29 21:18:05 CET 2017
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- Log -----------------------------------------------------------------
commit 4acf116ba6d144c2cfa39ff54a23b8864b4ce895
Author: Werner Koch <wk at gnupg.org>
Date: Wed Nov 29 21:13:11 2017 +0100
core: Wrap blocking system calls of the spawn functions.
Signed-off-by: Werner Koch <wk at gnupg.org>
diff --git a/gpgscm/Makefile.am b/gpgscm/Makefile.am
index 43741f2..ca6d455 100644
--- a/gpgscm/Makefile.am
+++ b/gpgscm/Makefile.am
@@ -50,6 +50,7 @@ t_child_SOURCES = t-child.c
# important for parallel builds (i.e. make -j2).
$(PROGRAMS): ../src/libgpg-error.la
-check-local: gpgscm$(EXEEXT) t-child$(EXEEXT)
- EXEEXT=$(EXEEXT) GPGSCM_PATH=$(srcdir) \
- ./gpgscm$(EXEEXT) $(srcdir)/t-child.scm
+# Temporary disabled (2017-11-29)
+#check-local: gpgscm$(EXEEXT) t-child$(EXEEXT)
+# EXEEXT=$(EXEEXT) GPGSCM_PATH=$(srcdir) \
+# ./gpgscm$(EXEEXT) $(srcdir)/t-child.scm
diff --git a/src/spawn-posix.c b/src/spawn-posix.c
index add012b..52780a8 100644
--- a/src/spawn-posix.c
+++ b/src/spawn-posix.c
@@ -327,11 +327,13 @@ do_create_pipe (int filedes[2])
{
gpg_error_t err = 0;
+ _gpgrt_pre_syscall ();
if (pipe (filedes) == -1)
{
err = _gpg_err_code_from_syserror ();
filedes[0] = filedes[1] = -1;
}
+ _gpgrt_post_syscall ();
return err;
}
@@ -344,6 +346,7 @@ do_create_pipe_and_estream (int filedes[2], estream_t *r_fp,
{
gpg_err_code_t err;
+ _gpgrt_pre_syscall ();
if (pipe (filedes) == -1)
{
err = _gpg_err_code_from_syserror ();
@@ -352,6 +355,7 @@ do_create_pipe_and_estream (int filedes[2], estream_t *r_fp,
*r_fp = NULL;
return err;
}
+ _gpgrt_post_syscall ();
if (!outbound)
*r_fp = _gpgrt_fdopen (filedes[0], nonblock? "r,nonblock" : "r");
@@ -460,8 +464,9 @@ _gpgrt_spawn_process (const char *pgmname, const char *argv[],
}
}
-
+ _gpgrt_pre_syscall ();
*pid = fork ();
+ _gpgrt_post_syscall ();
if (*pid == (pid_t)(-1))
{
err = _gpg_err_code_from_syserror ();
@@ -529,7 +534,9 @@ _gpgrt_spawn_process_fd (const char *pgmname, const char *argv[],
{
gpg_error_t err;
+ _gpgrt_pre_syscall ();
*pid = fork ();
+ _gpgrt_post_syscall ();
if (*pid == (pid_t)(-1))
{
err = _gpg_err_code_from_syserror ();
@@ -624,8 +631,10 @@ _gpgrt_wait_process (const char *pgmname, pid_t pid, int hang, int *r_exitcode)
if (pid == (pid_t)(-1))
return GPG_ERR_INV_VALUE;
+ _gpgrt_pre_syscall ();
while ((i=waitpid (pid, &status, hang? 0:WNOHANG)) == (pid_t)(-1)
&& errno == EINTR);
+ _gpgrt_post_syscall ();
if (i == (pid_t)(-1))
{
@@ -710,8 +719,10 @@ _gpgrt_wait_processes (const char **pgmnames, pid_t *pids, size_t count,
pid_t pid;
int status;
+ _gpgrt_pre_syscall ();
while ((pid = waitpid (-1, &status, hang ? 0 : WNOHANG)) == (pid_t)(-1)
&& errno == EINTR);
+ _gpgrt_post_syscall ();
if (pid == (pid_t)(-1))
{
@@ -802,7 +813,9 @@ _gpgrt_spawn_process_detached (const char *pgmname, const char *argv[],
if (access (pgmname, X_OK))
return _gpg_err_code_from_syserror ();
+ _gpgrt_pre_syscall ();
pid = fork ();
+ _gpgrt_post_syscall ();
if (pid == (pid_t)(-1))
{
ec = _gpg_err_code_from_syserror ();
@@ -836,13 +849,17 @@ _gpgrt_spawn_process_detached (const char *pgmname, const char *argv[],
/*NOTREACHED*/
}
+ _gpgrt_pre_syscall ();
if (waitpid (pid, NULL, 0) == -1)
{
+ _gpgrt_post_syscall ();
ec = _gpg_err_code_from_syserror ();
_gpgrt_log_error ("waitpid failed in gpgrt_spawn_process_detached: %s",
_gpg_strerror (ec));
return ec;
}
+ else
+ _gpgrt_post_syscall ();
return 0;
}
@@ -856,7 +873,9 @@ _gpgrt_kill_process (pid_t pid)
{
if (pid != (pid_t)(-1))
{
+ _gpgrt_pre_syscall ();
kill (pid, SIGTERM);
+ _gpgrt_post_syscall ();
}
}
diff --git a/src/spawn-w32.c b/src/spawn-w32.c
index 96f8062..e8c2eb0 100644
--- a/src/spawn-w32.c
+++ b/src/spawn-w32.c
@@ -237,8 +237,13 @@ create_inheritable_pipe (HANDLE filedes[2], int flags)
sec_attr.nLength = sizeof sec_attr;
sec_attr.bInheritHandle = TRUE;
+ _gpgrt_pre_syscall ();
if (!CreatePipe (&r, &w, &sec_attr, 0))
- return -1;
+ {
+ _gpgrt_post_syscall ();
+ return -1;
+ }
+ _gpgrt_post_syscall ();
if ((flags & INHERIT_READ) == 0)
if (! SetHandleInformation (r, HANDLE_FLAG_INHERIT, 0))
@@ -392,6 +397,7 @@ _gpgrt_spawn_process (const char *pgmname, const char *argv[],
int i;
es_syshd_t syshd;
int nonblock = !!(flags & GPGRT_SPAWN_NONBLOCK);
+ int ret;
(void)except; /* Not yet used. */
@@ -531,7 +537,7 @@ _gpgrt_spawn_process (const char *pgmname, const char *argv[],
| CREATE_SUSPENDED);
_gpgrt_log_debug ("CreateProcess, path='%s' cmdline='%s'\n",
pgmname, cmdline);
- if (!CreateProcess (pgmname, /* Program to start. */
+ ret = CreateProcess (pgmname, /* Program to start. */
cmdline, /* Command line arguments. */
&sec_attr, /* Process security attributes. */
&sec_attr, /* Thread security attributes. */
@@ -541,7 +547,8 @@ _gpgrt_spawn_process (const char *pgmname, const char *argv[],
NULL, /* Use current drive/directory. */
&si, /* Startup information. */
&pi /* Returns process information. */
- ))
+ );
+ if (!ret)
{
_gpgrt_log_error ("CreateProcess failed: ec=%d\n", (int)GetLastError ());
xfree (cmdline);
@@ -598,8 +605,10 @@ _gpgrt_spawn_process (const char *pgmname, const char *argv[],
}
/* Process has been created suspended; resume it now. */
+ _gpgrt_pre_syscall ();
ResumeThread (pi.hThread);
CloseHandle (pi.hThread);
+ _gpgrt_post_syscall ();
if (r_infp)
*r_infp = infp;
@@ -623,7 +632,7 @@ _gpgrt_spawn_process_fd (const char *pgmname, const char *argv[],
PROCESS_INFORMATION pi = { NULL, 0, 0, 0 };
STARTUPINFO si;
char *cmdline;
- int i;
+ int ret, i;
HANDLE stdhd[3];
/* Setup return values. */
@@ -652,7 +661,7 @@ _gpgrt_spawn_process_fd (const char *pgmname, const char *argv[],
_gpgrt_log_debug ("CreateProcess, path='%s' cmdline='%s'\n",
pgmname, cmdline);
- if (!CreateProcess (pgmname, /* Program to start. */
+ ret = CreateProcess (pgmname, /* Program to start. */
cmdline, /* Command line arguments. */
&sec_attr, /* Process security attributes. */
&sec_attr, /* Thread security attributes. */
@@ -664,7 +673,8 @@ _gpgrt_spawn_process_fd (const char *pgmname, const char *argv[],
NULL, /* Use current drive/directory. */
&si, /* Startup information. */
&pi /* Returns process information. */
- ))
+ );
+ if (!ret)
{
_gpgrt_log_error ("CreateProcess failed: ec=%d\n", (int)GetLastError ());
err = GPG_ERR_GENERAL;
@@ -692,7 +702,6 @@ _gpgrt_spawn_process_fd (const char *pgmname, const char *argv[],
*pid = handle_to_pid (pi.hProcess);
return 0;
-
}
@@ -729,7 +738,9 @@ _gpgrt_wait_processes (const char **pgmnames, pid_t *pids, size_t count,
procs[i] = fd_to_handle (pids[i]);
}
+ _gpgrt_pre_syscall ();
code = WaitForMultipleObjects (count, procs, TRUE, hang? INFINITE : 0);
+ _gpgrt_post_syscall ();
switch (code)
{
case WAIT_TIMEOUT:
@@ -800,6 +811,7 @@ _gpgrt_spawn_process_detached (const char *pgmname, const char *argv[],
STARTUPINFO si;
int cr_flags;
char *cmdline;
+ int ret;
/* We don't use ENVP. */
(void)envp;
@@ -829,7 +841,7 @@ _gpgrt_spawn_process_detached (const char *pgmname, const char *argv[],
| DETACHED_PROCESS);
_gpgrt_log_debug ("CreateProcess(detached), path='%s' cmdline='%s'\n",
pgmname, cmdline);
- if (!CreateProcess (pgmname, /* Program to start. */
+ ret = CreateProcess (pgmname, /* Program to start. */
cmdline, /* Command line arguments. */
&sec_attr, /* Process security attributes. */
&sec_attr, /* Thread security attributes. */
@@ -839,7 +851,8 @@ _gpgrt_spawn_process_detached (const char *pgmname, const char *argv[],
NULL, /* Use current drive/directory. */
&si, /* Startup information. */
&pi /* Returns process information. */
- ))
+ );
+ if (!ret)
{
_gpgrt_log_error ("CreateProcess(detached) failed: ec=%d\n",
(int)GetLastError ());
@@ -872,7 +885,9 @@ _gpgrt_kill_process (pid_t pid)
HANDLE process = (HANDLE) pid;
/* Arbitrary error code. */
+ _gpgrt_pre_syscall ();
TerminateProcess (process, 1);
+ _gpgrt_post_syscall ();
}
}
-----------------------------------------------------------------------
Summary of changes:
gpgscm/Makefile.am | 7 ++++---
src/spawn-posix.c | 21 ++++++++++++++++++++-
src/spawn-w32.c | 33 ++++++++++++++++++++++++---------
3 files changed, 48 insertions(+), 13 deletions(-)
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