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validate: Use GModule to 'dlopen' ovverrides

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We want gst-validate to be cross platform so use cross platform tools
This commit is contained in:
Thibault Saunier 2014-03-28 10:30:21 +01:00
parent 3408869f49
commit 083d303d69
1 changed files with 24 additions and 22 deletions
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46
validate/gst/validate/gst-validate-override-registry.c
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@ -27,8 +27,7 @@
#include <string.h>
#define __USE_GNU
#include <dlfcn.h>
#include <gmodule.h>
#include "gst-validate-internal.h"
#include "gst-validate-override-registry.h"
@ -52,6 +51,7 @@ static GstValidateOverrideRegistry *_registry_default;
#define GST_VALIDATE_OVERRIDE_REGISTRY_UNLOCK(r) g_mutex_unlock (&r->mutex)
#define GST_VALIDATE_OVERRIDE_INIT_SYMBOL "gst_validate_create_overrides"
typedef int (*GstValidateCreateOverride)(void);
static GstValidateOverrideRegistry *
gst_validate_override_registry_new (void)
@ -204,42 +204,44 @@ gst_validate_override_registry_attach_overrides (GstValidateMonitor * monitor)
int
gst_validate_override_registry_preload (void)
{
gchar **solist, *const *so;
const char *sos, *soerr;
void *sol;
int ret, (*entry) (void), nloaded = 0;
gchar **modlist, *const *modname;
const char *sos, *loaderr;
GModule *module;
int ret, nloaded = 0;
gpointer ext_create_overrides;
sos = g_getenv ("GST_VALIDATE_OVERRIDE");
if (!sos) {
GST_INFO ("No GST_VALIDATE_OVERRIDE found, no overrides to load");
return 0;
}
solist = g_strsplit (sos, ",", 0);
for (so = solist; *so; ++so) {
GST_INFO ("Loading overrides from %s", *so);
sol = dlopen (*so, RTLD_LAZY);
if (!sol) {
soerr = dlerror ();
GST_ERROR ("Failed to load %s %s", *so, soerr ? soerr : "no idea why");
modlist = g_strsplit (sos, ",", 0);
for (modname = modlist; *modname; ++modname) {
GST_INFO ("Loading overrides from %s", *modname);
module = g_module_open (*modname, G_MODULE_BIND_LAZY);
if (module == NULL) {
loaderr = g_module_error ();
GST_ERROR ("Failed to load %s %s", *modname, loaderr ? loaderr : "no idea why");
continue;
}
entry = dlsym (sol, GST_VALIDATE_OVERRIDE_INIT_SYMBOL);
if (entry) {
ret = (*entry) ();
if (g_module_symbol (module, GST_VALIDATE_OVERRIDE_INIT_SYMBOL,
&ext_create_overrides)) {
ret = ((GstValidateCreateOverride) ext_create_overrides) ();
if (ret > 0) {
GST_INFO ("Loaded %d overrides from %s", ret, *so);
GST_INFO ("Loaded %d overrides from %s", ret, *modname);
nloaded += ret;
} else if (ret < 0) {
GST_WARNING ("Error loading overrides from %s", *so);
GST_WARNING ("Error loading overrides from %s", *modname);
} else {
GST_INFO ("Loaded no overrides from %s", *so);
GST_INFO ("Loaded no overrides from %s", *modname);
}
} else {
GST_WARNING (GST_VALIDATE_OVERRIDE_INIT_SYMBOL " not found in %s", *so);
GST_WARNING (GST_VALIDATE_OVERRIDE_INIT_SYMBOL " not found in %s", *modname);
}
dlclose (sol);
g_module_close (module);
}
g_strfreev (solist);
g_strfreev (modlist);
GST_INFO ("%d overrides loaded", nloaded);
return nloaded;
}