diff options
Diffstat (limited to 'gnu/packages/patches/glibc-hurd-magic-pid.patch')
| -rw-r--r-- | gnu/packages/patches/glibc-hurd-magic-pid.patch | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/gnu/packages/patches/glibc-hurd-magic-pid.patch b/gnu/packages/patches/glibc-hurd-magic-pid.patch deleted file mode 100644 index a6849f7d35..0000000000 --- a/gnu/packages/patches/glibc-hurd-magic-pid.patch +++ /dev/null @@ -1,190 +0,0 @@ -This patch implements "magic" lookup for "pid/…", as used when looking up -/proc/self. - -The patch comes from the 't/magic-pid' branch -at <https://git.savannah.gnu.org/cgit/hurd/glibc.git>. It squashes -commit 392e52286a302ca6157fbd221295e64ab6b6d8ba (by Justus Winter) -and commit 392e52286a302ca6157fbd221295e64ab6b6d8ba (a subsequent fix by -Samuel Thibault). - -From: Justus Winter <4winter@informatik.uni-hamburg.de> -Subject: [PATCH] hurd: Handle `pid' magical lookup retry - - * hurd/lookup-retry.c: Handle `pid' magical lookup - retry. - -diff --git a/hurd/lookup-retry.c b/hurd/lookup-retry.c -index aee2ba8f93..6ed8de1653 100644 ---- a/hurd/lookup-retry.c -+++ b/hurd/lookup-retry.c -@@ -25,6 +25,7 @@ - #include <string.h> - #include <_itoa.h> - #include <eloop-threshold.h> -+#include <unistd.h> - - /* Translate the error from dir_lookup into the error the user sees. */ - static inline error_t -@@ -59,6 +60,7 @@ __hurd_file_name_lookup_retry (error_t (*use_init_port) - error_t err; - char *file_name; - int nloops; -+ file_t lastdir = MACH_PORT_NULL; - - error_t lookup_op (file_t startdir) - { -@@ -107,14 +109,15 @@ __hurd_file_name_lookup_retry (error_t (*use_init_port) - { - case FS_RETRY_REAUTH: - if (err = reauthenticate (*result)) -- return err; -+ goto out; - /* Fall through. */ - - case FS_RETRY_NORMAL: - if (nloops++ >= __eloop_threshold ()) - { - __mach_port_deallocate (__mach_task_self (), *result); -- return ELOOP; -+ err = ELOOP; -+ goto out; - } - - /* An empty RETRYNAME indicates we have the final port. */ -@@ -174,7 +177,7 @@ __hurd_file_name_lookup_retry (error_t (*use_init_port) - - if (err) - __mach_port_deallocate (__mach_task_self (), *result); -- return err; -+ goto out; - } - - startdir = *result; -@@ -189,7 +192,10 @@ __hurd_file_name_lookup_retry (error_t (*use_init_port) - if (*result != MACH_PORT_NULL) - __mach_port_deallocate (__mach_task_self (), *result); - if (nloops++ >= __eloop_threshold ()) -- return ELOOP; -+ { -+ err = ELOOP; -+ goto out; -+ } - file_name = &retryname[1]; - break; - -@@ -208,7 +214,8 @@ __hurd_file_name_lookup_retry (error_t (*use_init_port) - (*end != '/' && *end != '\0')) - { - errno = save; -- return ENOENT; -+ err = ENOENT; -+ goto out; - } - if (! get_dtable_port) - err = EGRATUITOUS; -@@ -226,9 +233,12 @@ __hurd_file_name_lookup_retry (error_t (*use_init_port) - } - errno = save; - if (err) -- return err; -+ goto out; - if (*end == '\0') -- return 0; -+ { -+ err = 0; -+ goto out; -+ } - else - { - /* Do a normal retry on the remaining components. */ -@@ -255,9 +265,12 @@ __hurd_file_name_lookup_retry (error_t (*use_init_port) - if (err = __host_info (__mach_host_self (), HOST_BASIC_INFO, - (integer_t *) &hostinfo, - &hostinfocnt)) -- return err; -+ goto out; - if (hostinfocnt != HOST_BASIC_INFO_COUNT) -- return EGRATUITOUS; -+ { -+ err = EGRATUITOUS; -+ goto out; -+ } - p = _itoa (hostinfo.cpu_subtype, &retryname[8], 10, 0); - *--p = '/'; - p = _itoa (hostinfo.cpu_type, &retryname[8], 10, 0); -@@ -293,10 +306,11 @@ __hurd_file_name_lookup_retry (error_t (*use_init_port) - } - - case '\0': -- return opentty (result); -+ err = opentty (result); -+ goto out; - case '/': - if (err = opentty (&startdir)) -- return err; -+ goto out; - strcpy (retryname, &retryname[4]); - break; - default: -@@ -306,14 +320,48 @@ __hurd_file_name_lookup_retry (error_t (*use_init_port) - goto bad_magic; - break; - -+ case 'p': -+ if (retryname[1] == 'i' && retryname[2] == 'd' && -+ (retryname[3] == '/' || retryname[3] == 0)) -+ { -+ char *p, buf[1024]; /* XXX */ -+ size_t len; -+ p = _itoa (__getpid (), &buf[sizeof buf], 10, 0); -+ len = &buf[sizeof buf] - p; -+ memcpy (buf, p, len); -+ strcpy (buf + len, &retryname[3]); -+ strcpy (retryname, buf); -+ -+ /* Do a normal retry on the remaining components. */ -+ __mach_port_mod_refs (__mach_task_self (), lastdir, -+ MACH_PORT_RIGHT_SEND, 1); -+ startdir = lastdir; -+ file_name = retryname; -+ } -+ else -+ goto bad_magic; -+ break; -+ - default: - bad_magic: -- return EGRATUITOUS; -+ err = EGRATUITOUS; -+ goto out; - } - break; - - default: -- return EGRATUITOUS; -+ err = EGRATUITOUS; -+ goto out; -+ } -+ -+ if (MACH_PORT_VALID (*result) && *result != lastdir) -+ { -+ if (MACH_PORT_VALID (lastdir)) -+ __mach_port_deallocate (__mach_task_self (), lastdir); -+ -+ lastdir = *result; -+ __mach_port_mod_refs (__mach_task_self (), lastdir, -+ MACH_PORT_RIGHT_SEND, 1); - } - - if (startdir != MACH_PORT_NULL) -@@ -326,6 +374,10 @@ __hurd_file_name_lookup_retry (error_t (*use_init_port) - err = (*use_init_port) (dirport, &lookup_op); - } while (! err); - -+out: -+ if (MACH_PORT_VALID (lastdir)) -+ __mach_port_deallocate (__mach_task_self (), lastdir); -+ - return err; - } - weak_alias (__hurd_file_name_lookup_retry, hurd_file_name_lookup_retry) |