summaryrefslogtreecommitdiff
path: root/quickexec/quickexec.cpp
Side-by-side diff
Diffstat (limited to 'quickexec/quickexec.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r--quickexec/quickexec.cpp98
1 files changed, 0 insertions, 98 deletions
diff --git a/quickexec/quickexec.cpp b/quickexec/quickexec.cpp
deleted file mode 100644
index 772ab4c..0000000
--- a/quickexec/quickexec.cpp
+++ b/dev/null
@@ -1,98 +0,0 @@
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <dlfcn.h>
-
-#define QUICKEXEC "/tmp/.quickexec"
-
-#include <signal.h>
-#include <sys/wait.h>
-
-void sigchildhandler(int) {
- wait(0);
-}
-
-int exec( const char *lib, int argc, char** argv )
-{
- setpgid(0,0);
-// printf("loadlib %s, argc=%d\n", lib, argc );
- void *handle = dlopen ( lib, RTLD_LAZY);
- if (!handle) {
- fprintf( stderr, "%s\n", dlerror());
- exit(1);
- }
- typedef int (*Mainfunc)(int, char**);
- Mainfunc mainfunc;
- mainfunc = (Mainfunc) dlsym(handle, "main");
- char *error;
- if ((error = dlerror()) != NULL) {
- fprintf (stderr, "%s\n", error);
- exit(1);
- }
- (*mainfunc)(argc,argv);
- return 0;
-}
-
-#define BUFFER_SIZE 1024
-int main( int argc, char** argv )
-{
- signal( SIGCHLD, sigchildhandler );
- (void) unlink( QUICKEXEC );
- if ( mkfifo( QUICKEXEC, S_IFIFO | S_IWUSR | S_IRUSR ) == -1 ) {
- perror( QUICKEXEC );
- exit(1);
- }
-
- if ( argc > 1 && fork() == 0 )
- return exec( argv[1], argc-2, argc > 2 ? argv+2 : 0 );
-
- char buf[BUFFER_SIZE];
- int p = 0;
- int r;
- int fd = open( QUICKEXEC, O_RDONLY );
- if ( fd == -1 ) {
- perror( QUICKEXEC );
- exit(1);
- }
- for ( ;; ) {
- r = read( fd, buf+p, BUFFER_SIZE-p );
- p += r;
- if ( r == 0 || p >= BUFFER_SIZE - 1 ) {
- buf[p] = '\0';
- close ( fd );
- if ( fork() == 0 ) {
- int argc = -1;
- int i = 0;
- int k = 0;
- for ( i = 0; i <= p; i++ )
- if ( buf[i] == '\0' )
- argc++;
- char** argv = new char*[argc];
- for ( i = 0; i < p; i++ ) {
- if ( buf[i] == '\0' )
- argv[k++]=buf+i+1;
- }
- return exec( buf, argc, argv );
- }
- p = 0;
- fd = open( QUICKEXEC, O_RDONLY );
- }
- }
- return 0;
-}
-
-
-
-
-
-
-
-
-
-
-
-
-
-