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-rw-r--r--arch/um/os-Linux/file.c19
-rw-r--r--arch/um/os-Linux/process.c16
2 files changed, 30 insertions, 5 deletions
diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c
index f55773c819e6..3bd10deea280 100644
--- a/arch/um/os-Linux/file.c
+++ b/arch/um/os-Linux/file.c
@@ -272,14 +272,23 @@ int os_connect_socket(char *name)
272 snprintf(sock.sun_path, sizeof(sock.sun_path), "%s", name); 272 snprintf(sock.sun_path, sizeof(sock.sun_path), "%s", name);
273 273
274 fd = socket(AF_UNIX, SOCK_STREAM, 0); 274 fd = socket(AF_UNIX, SOCK_STREAM, 0);
275 if(fd < 0) 275 if(fd < 0) {
276 return(fd); 276 err = -errno;
277 goto out;
278 }
277 279
278 err = connect(fd, (struct sockaddr *) &sock, sizeof(sock)); 280 err = connect(fd, (struct sockaddr *) &sock, sizeof(sock));
279 if(err) 281 if(err) {
280 return(-errno); 282 err = -errno;
283 goto out_close;
284 }
281 285
282 return(fd); 286 return fd;
287
288out_close:
289 close(fd);
290out:
291 return err;
283} 292}
284 293
285void os_close_file(int fd) 294void os_close_file(int fd)
diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c
index 7f5e2dac2a35..d261888f39c4 100644
--- a/arch/um/os-Linux/process.c
+++ b/arch/um/os-Linux/process.c
@@ -19,6 +19,7 @@
19#include "irq_user.h" 19#include "irq_user.h"
20#include "kern_util.h" 20#include "kern_util.h"
21#include "longjmp.h" 21#include "longjmp.h"
22#include "skas_ptrace.h"
22 23
23#define ARBITRARY_ADDR -1 24#define ARBITRARY_ADDR -1
24#define FAILURE_PID -1 25#define FAILURE_PID -1
@@ -100,6 +101,21 @@ void os_kill_process(int pid, int reap_child)
100 101
101} 102}
102 103
104/* This is here uniquely to have access to the userspace errno, i.e. the one
105 * used by ptrace in case of error.
106 */
107
108long os_ptrace_ldt(long pid, long addr, long data)
109{
110 int ret;
111
112 ret = ptrace(PTRACE_LDT, pid, addr, data);
113
114 if (ret < 0)
115 return -errno;
116 return ret;
117}
118
103/* Kill off a ptraced child by all means available. kill it normally first, 119/* Kill off a ptraced child by all means available. kill it normally first,
104 * then PTRACE_KILL it, then PTRACE_CONT it in case it's in a run state from 120 * then PTRACE_KILL it, then PTRACE_CONT it in case it's in a run state from
105 * which it can't exit directly. 121 * which it can't exit directly.