diff options
Diffstat (limited to 'vl.c')
| -rw-r--r-- | vl.c | 29 |
1 files changed, 28 insertions, 1 deletions
@@ -68,6 +68,7 @@ #include <pty.h> #include <malloc.h> #include <linux/rtc.h> +#include <sys/prctl.h> /* For the benefit of older linux systems which don't supply it, we use a local copy of hpet.h. */ @@ -300,6 +301,20 @@ void hw_error(const char *fmt, ...) va_end(ap); abort(); } + +static void set_proc_name(const char *s) +{ +#ifdef __linux__ + char name[16]; + if (!s) + return; + name[sizeof(name) - 1] = 0; + strncpy(name, s, sizeof(name)); + /* Could rewrite argv[0] too, but that's a bit more complicated. + This simple way is enough for `top'. */ + prctl(PR_SET_NAME, name); +#endif +} /***************/ /* ballooning */ @@ -5416,7 +5431,19 @@ int main(int argc, char **argv, char **envp) break; #endif case QEMU_OPTION_name: - qemu_name = optarg; + qemu_name = qemu_strdup(optarg); + { + char *p = strchr(qemu_name, ','); + if (p != NULL) { + *p++ = 0; + if (strncmp(p, "process=", 8)) { + fprintf(stderr, "Unknown subargument %s to -name", p); + exit(1); + } + p += 8; + set_proc_name(p); + } + } break; #if defined(TARGET_SPARC) || defined(TARGET_PPC) case QEMU_OPTION_prom_env: |