Coincidentally, I wrote a very similar function a couple months ago (in
our in-house tree). My version uses open("/proc/self/cmdline",
O_RDONLY) and has a Windows implementation too.
I'll post it shortly...
-Brian
On 07/30/2016 09:22 AM, Marek Olšák wrote:
From: Marek Olšák <marek.ol...@amd.com>
for debugging
---
src/gallium/auxiliary/os/os_process.c | 37 +++++++++++++++++++++++++++++++++++
src/gallium/auxiliary/os/os_process.h | 2 ++
2 files changed, 39 insertions(+)
diff --git a/src/gallium/auxiliary/os/os_process.c
b/src/gallium/auxiliary/os/os_process.c
index 332e195..3ee30b1 100644
--- a/src/gallium/auxiliary/os/os_process.c
+++ b/src/gallium/auxiliary/os/os_process.c
@@ -30,6 +30,10 @@
#include "os/os_process.h"
#include "util/u_memory.h"
+#if defined(PIPE_OS_UNIX)
+#include <stdio.h>
+#endif
+
#if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
# include <windows.h>
#elif defined(__GLIBC__) || defined(__CYGWIN__)
@@ -108,3 +112,36 @@ os_get_process_name(char *procname, size_t size)
return FALSE;
}
}
+
+bool
+os_get_process_cmd_line(char *result, size_t size)
+{
+#if defined(PIPE_OS_UNIX)
+ char ps[256];
+ int len;
+ FILE *p;
+
+ /* Execute the ps command. */
+ snprintf(ps, sizeof(ps), "ps --pid %i -o args --no-headers", getpid());
+
+ p = popen(ps, "r");
+ if (!p)
+ return false;
+
+ result = fgets(result, size, p);
+ pclose(p);
+
+ if (!result)
+ return false;
+
+ /* Remove the newline character. */
+ len = strlen(result);
+ if (result[len - 1] == '\n')
+ result[len - 1] = 0;
+
+ return true;
+
+#else
+ return false;
+#endif
+}
diff --git a/src/gallium/auxiliary/os/os_process.h
b/src/gallium/auxiliary/os/os_process.h
index 0d50ddc..3965a8b 100644
--- a/src/gallium/auxiliary/os/os_process.h
+++ b/src/gallium/auxiliary/os/os_process.h
@@ -36,5 +36,7 @@
extern boolean
os_get_process_name(char *str, size_t size);
+extern bool
+os_get_process_cmd_line(char *result, size_t size);
#endif /* OS_PROCESS_H */
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