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authorDoug Zongker <dougz@android.com>2009-09-10 23:30:43 +0200
committerAndroid Git Automerger <android-git-automerger@android.com>2009-09-10 23:30:43 +0200
commitb5d542cd40360867bc00cdb9266c0abf26448c55 (patch)
tree893a6da136c9951fe70c9d2d69bb264fc5ba6b47 /updater
parentmerge from open-source master (diff)
parentadd a run_program() function to edify (diff)
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Diffstat (limited to 'updater')
-rw-r--r--updater/install.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/updater/install.c b/updater/install.c
index c4f5e0341..ad895569e 100644
--- a/updater/install.c
+++ b/updater/install.c
@@ -23,6 +23,7 @@
#include <sys/mount.h>
#include <sys/stat.h>
#include <sys/types.h>
+#include <sys/wait.h>
#include <unistd.h>
#include "cutils/misc.h"
@@ -759,6 +760,52 @@ char* UIPrintFn(const char* name, State* state, int argc, Expr* argv[]) {
return buffer;
}
+char* RunProgramFn(const char* name, State* state, int argc, Expr* argv[]) {
+ if (argc < 1) {
+ return ErrorAbort(state, "%s() expects at least 1 arg", name);
+ }
+ char** args = ReadVarArgs(state, argc, argv);
+ if (args == NULL) {
+ return NULL;
+ }
+
+ char** args2 = malloc(sizeof(char*) * (argc+1));
+ memcpy(args2, args, sizeof(char*) * argc);
+ args2[argc] = NULL;
+
+ fprintf(stderr, "about to run program [%s] with %d args\n", args2[0], argc);
+
+ pid_t child = fork();
+ if (child == 0) {
+ execv(args2[0], args2);
+ fprintf(stderr, "run_program: execv failed: %s\n", strerror(errno));
+ _exit(1);
+ }
+ int status;
+ waitpid(child, &status, 0);
+ if (WIFEXITED(status)) {
+ if (WEXITSTATUS(status) != 0) {
+ fprintf(stderr, "run_program: child exited with status %d\n",
+ WEXITSTATUS(status));
+ }
+ } else if (WIFSIGNALED(status)) {
+ fprintf(stderr, "run_program: child terminated by signal %d\n",
+ WTERMSIG(status));
+ }
+
+ int i;
+ for (i = 0; i < argc; ++i) {
+ free(args[i]);
+ }
+ free(args);
+ free(args2);
+
+ char buffer[20];
+ sprintf(buffer, "%d", status);
+
+ return strdup(buffer);
+}
+
void RegisterInstallFunctions() {
RegisterFunction("mount", MountFn);
@@ -785,4 +832,6 @@ void RegisterInstallFunctions() {
RegisterFunction("apply_patch_space", ApplyPatchFn);
RegisterFunction("ui_print", UIPrintFn);
+
+ RegisterFunction("run_program", RunProgramFn);
}