* libgo patch committed: Use Entersyscall in os/user
@ 2012-06-13 6:09 Ian Lance Taylor
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From: Ian Lance Taylor @ 2012-06-13 6:09 UTC (permalink / raw)
To: gcc-patches, gofrontend-dev
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This patch to libgo uses Entersyscall and Exitsyscall as appropriate in
os/user. This is necessary if the lookup uses something like LDAP.
Bootstrapped and ran Go testsuite on x86_64-unknown-linux-gnu.
Committed to mainline.
Ian
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diff -r 3f26ed600514 libgo/go/os/user/lookup_unix.go
--- a/libgo/go/os/user/lookup_unix.go Tue Jun 12 21:46:14 2012 -0700
+++ b/libgo/go/os/user/lookup_unix.go Tue Jun 12 22:54:06 2012 -0700
@@ -73,11 +73,14 @@
const bufSize = 1024
buf := make([]byte, bufSize)
if lookupByName {
- rv := libc_getpwnam_r(syscall.StringBytePtr(username),
+ p := syscall.StringBytePtr(username)
+ syscall.Entersyscall()
+ rv := libc_getpwnam_r(p,
&pwd,
&buf[0],
bufSize,
&result)
+ syscall.Exitsyscall()
if rv != 0 {
return nil, fmt.Errorf("user: lookup username %s: %s", username, syscall.GetErrno())
}
@@ -85,11 +88,13 @@
return nil, UnknownUserError(username)
}
} else {
+ syscall.Entersyscall()
rv := libc_getpwuid_r(syscall.Uid_t(uid),
&pwd,
&buf[0],
bufSize,
&result)
+ syscall.Exitsyscall()
if rv != 0 {
return nil, fmt.Errorf("user: lookup userid %d: %s", uid, syscall.GetErrno())
}
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2012-06-13 6:09 libgo patch committed: Use Entersyscall in os/user Ian Lance Taylor
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