X-Git-Url: https://git.efficios.com/?a=blobdiff_plain;f=lttng_ivc%2Futils%2Fruntime.py;h=0103dbf1b9e64848ab5dfbe2115d92a0eff6d320;hb=0a7e963afd224897461ffcc1fe089c48cb97aa3f;hp=ac19e107b8db88ea70fc9b55ed483ec68a06ab25;hpb=6aa98db5836fd75fff696f8d894455693ef6001a;p=deliverable%2Flttng-ivc.git

diff --git a/lttng_ivc/utils/runtime.py b/lttng_ivc/utils/runtime.py
index ac19e10..0103dbf 100644
--- a/lttng_ivc/utils/runtime.py
+++ b/lttng_ivc/utils/runtime.py
@@ -120,7 +120,7 @@ class Runtime(object):
         _logger.debug("Spawned sub pid: {} args: {} stdout: {} stderr{}".format(p.pid, p.args, out_path, err_path))
         return tmp_id
 
-    def run(self, command_line, cwd=None, check_return=True):
+    def run(self, command_line, cwd=None, check_return=True, ld_preload=""):
         """
         Run the command and return a tuple of a (CompletedProcess, stdout_path,
         stderr_path). The subprocess is already executed and returned. The
@@ -129,6 +129,10 @@ class Runtime(object):
         args = shlex.split(command_line)
         env = self.get_env()
 
+        if ld_preload:
+            env['LD_PRELOAD'] = ld_preload
+
+
         tmp_id = self._run_command_count
         self._run_command_count += 1
 
@@ -143,7 +147,8 @@ class Runtime(object):
 
         env_path = os.path.join(self.__runtime_log, str(tmp_id) + ".env")
         with open(env_path, 'w') as env_out:
-            pprint.pprint(env, stream=env_out)
+            for key, value in env.items():
+                env_out.write('{}={}\n'.format(key, value))
 
         cp = subprocess.run(args, stdout=stdout, stderr=stderr, env=env, cwd=cwd)
         _logger.debug("Command #{} args: {} stdout: {} stderr{}".format(tmp_id, cp.args, out_path, err_path))