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-rw-r--r--erts/emulator/beam/erl_bif_ddll.c10
-rw-r--r--erts/emulator/beam/global.h6
-rw-r--r--erts/emulator/beam/io.c33
-rwxr-xr-xerts/emulator/utils/make_driver_tab10
4 files changed, 34 insertions, 25 deletions
diff --git a/erts/emulator/beam/erl_bif_ddll.c b/erts/emulator/beam/erl_bif_ddll.c
index 8220ba97a2..294bce115f 100644
--- a/erts/emulator/beam/erl_bif_ddll.c
+++ b/erts/emulator/beam/erl_bif_ddll.c
@@ -1506,14 +1506,6 @@ static int do_load_driver_entry(DE_Handle *dh, char *path, char *name)
goto error;
}
- {
- Eterm name_atom = erts_atom_put((byte*)name, sys_strlen(name),
- ERTS_ATOM_ENC_LATIN1, 0);
- if (is_non_value(name_atom))
- goto error;
- erts_add_taint(name_atom);
- }
-
erts_atomic_init_nob(&(dh->refc), (erts_aint_t) 0);
erts_atomic32_init_nob(&dh->port_count, 0);
dh->full_path = erts_alloc(ERTS_ALC_T_DDLL_HANDLE, sys_strlen(path) + 1);
@@ -1521,7 +1513,7 @@ static int do_load_driver_entry(DE_Handle *dh, char *path, char *name)
dh->flags = 0;
dh->status = ERL_DE_OK;
- if (erts_add_driver_entry(dp, dh, 1) != 0 /* io.c */) {
+ if (erts_add_driver_entry(dp, dh, 1, 1) != 0 /* io.c */) {
/*
* The init in the driver struct did not return 0
*/
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 8a746ea4b1..c8354f9fcf 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -1152,7 +1152,7 @@ typedef struct {
#define ERTS_SPAWN_DRIVER 1
#define ERTS_SPAWN_EXECUTABLE 2
#define ERTS_SPAWN_ANY (ERTS_SPAWN_DRIVER | ERTS_SPAWN_EXECUTABLE)
-int erts_add_driver_entry(ErlDrvEntry *drv, DE_Handle *handle, int driver_list_locked);
+int erts_add_driver_entry(ErlDrvEntry *drv, DE_Handle *handle, int driver_list_locked, int taint);
void erts_destroy_driver(erts_driver_t *drv);
int erts_save_suspend_process_on_port(Port*, Process*);
Port *erts_open_driver(erts_driver_t*, Eterm, char*, SysDriverOpts*, int *, int *);
@@ -1177,6 +1177,10 @@ void erts_lcnt_update_port_locks(int enable);
#endif
/* driver_tab.c */
+typedef struct {
+ ErlDrvEntry* de;
+ int taint;
+} ErtsStaticDriver;
typedef void *(*ErtsStaticNifInitFPtr)(void);
typedef struct ErtsStaticNifEntry_ {
const char *nif_name;
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index 410fe89b02..5d9d7b6ed7 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -60,7 +60,7 @@ extern ErlDrvEntry spawn_driver_entry;
#ifndef __WIN32__
extern ErlDrvEntry forker_driver_entry;
#endif
-extern ErlDrvEntry *driver_tab[]; /* table of static drivers, only used during initialization */
+extern ErtsStaticDriver driver_tab[]; /* table of static drivers, only used during initialization */
erts_driver_t *driver_list; /* List of all drivers, static and dynamic. */
erts_rwmtx_t erts_driver_list_lock; /* Mutex for driver list */
@@ -2964,7 +2964,7 @@ void erts_init_io(int port_tab_size,
int port_tab_size_ignore_files,
int legacy_port_tab)
{
- ErlDrvEntry** dp;
+ ErtsStaticDriver* dp;
UWord common_element_size;
erts_rwmtx_opt_t drv_list_rwmtx_opts = ERTS_RWMTX_OPT_DEFAULT_INITER;
drv_list_rwmtx_opts.type = ERTS_RWMTX_TYPE_EXTREMELY_FREQUENT_READ;
@@ -3023,8 +3023,8 @@ void erts_init_io(int port_tab_size,
init_driver(&forker_driver, &forker_driver_entry, NULL);
#endif
erts_init_static_drivers();
- for (dp = driver_tab; *dp != NULL; dp++)
- erts_add_driver_entry(*dp, NULL, 1);
+ for (dp = driver_tab; dp->de != NULL; dp++)
+ erts_add_driver_entry(dp->de, NULL, 1, dp->taint);
erts_tsd_set(driver_list_lock_status_key, NULL);
erts_rwmtx_rwunlock(&erts_driver_list_lock);
@@ -7697,13 +7697,14 @@ void add_driver_entry(ErlDrvEntry *drv){
* Ignore result of erts_add_driver_entry, the init is not
* allowed to fail when drivers are added by drivers.
*/
- erts_add_driver_entry(drv, NULL, rec_lock != NULL);
+ erts_add_driver_entry(drv, NULL, rec_lock != NULL, 0);
}
-int erts_add_driver_entry(ErlDrvEntry *de, DE_Handle *handle, int driver_list_locked)
+int erts_add_driver_entry(ErlDrvEntry *de, DE_Handle *handle,
+ int driver_list_locked, int taint)
{
erts_driver_t *dp = erts_alloc(ERTS_ALC_T_DRIVER, sizeof(erts_driver_t));
- int res;
+ int err = 0;
if (!driver_list_locked) {
erts_rwmtx_rwlock(&erts_driver_list_lock);
@@ -7720,9 +7721,21 @@ int erts_add_driver_entry(ErlDrvEntry *de, DE_Handle *handle, int driver_list_lo
erts_tsd_set(driver_list_lock_status_key, (void *) 1);
}
- res = init_driver(dp, de, handle);
+ if (taint) {
+ Eterm name_atom = erts_atom_put((byte*)de->driver_name,
+ sys_strlen(de->driver_name),
+ ERTS_ATOM_ENC_LATIN1, 0);
+ if (is_atom(name_atom))
+ erts_add_taint(name_atom);
+ else
+ err = 1;
+ }
+
+ if (!err) {
+ err = init_driver(dp, de, handle);
+ }
- if (res != 0) {
+ if (err) {
/*
* Remove it all again...
*/
@@ -7737,7 +7750,7 @@ int erts_add_driver_entry(ErlDrvEntry *de, DE_Handle *handle, int driver_list_lo
erts_tsd_set(driver_list_lock_status_key, NULL);
erts_rwmtx_rwunlock(&erts_driver_list_lock);
}
- return res;
+ return err;
}
/* Not allowed for dynamic drivers */
diff --git a/erts/emulator/utils/make_driver_tab b/erts/emulator/utils/make_driver_tab
index cefb3e2504..b7bca1dc3a 100755
--- a/erts/emulator/utils/make_driver_tab
+++ b/erts/emulator/utils/make_driver_tab
@@ -95,22 +95,22 @@ foreach (@static_drivers) {
}
# The array itself
-print "\nErlDrvEntry *driver_tab[] =\n{\n";
+print "\nErtsStaticDriver driver_tab[] =\n{\n";
foreach (@emu_drivers) {
- print " &${_}driver_entry,\n";
+ print " {&${_}driver_entry, 0},\n";
}
foreach (@static_drivers) {
- print " NULL, /* ${_} */\n";
+ print " {NULL, 1}, /* ${_} */\n";
}
-print " NULL\n};\n";
+print " {NULL}\n};\n";
print "void erts_init_static_drivers() {\n";
my $index = 0;
foreach (@static_drivers) {
- print " driver_tab[".(scalar @emu_drivers+$index)."] = ${_}_driver_init();\n";
+ print " driver_tab[".(scalar @emu_drivers+$index)."].de = ${_}_driver_init();\n";
$index++;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 04:24:01 +0000