From f5975d60cfe2e7d1b6c259f5ad800a823ee682c3 Mon Sep 17 00:00:00 2001
From: root <root>
Date: Sun, 24 Jul 2011 05:53:34 +0000
Subject: *** empty log message ***
---
Changes | 1 +
eio.c | 16 ++++++++++++----
libeio.m4 | 12 +++++++++++-
3 files changed, 24 insertions(+), 5 deletions(-)
diff --git a/Changes b/Changes
index 8ba9d31..4eae96a 100644
--- a/Changes
+++ b/Changes
@@ -58,4 +58,5 @@ TODO: fadvise request
- do not acquire any locks when forking.
- incorporated some mingw32 changes by traviscline.
- added syncfs support, using direct syscall.
+ - set thread name on linux (ps -L/Hcx, top, gdb).
diff --git a/eio.c b/eio.c
index 04985e1..30c7f75 100644
--- a/eio.c
+++ b/eio.c
@@ -203,6 +203,14 @@ static void eio_destroy (eio_req *req);
# include <utime.h>
#endif
+#if HAVE_SYS_SYSCALL_H
+# include <sys/syscall.h>
+#endif
+
+#if HAVE_SYS_PRCTL_H
+# include <sys/prctl.h>
+#endif
+
#if HAVE_SENDFILE
# if __linux
# include <sys/sendfile.h>
@@ -218,10 +226,6 @@ static void eio_destroy (eio_req *req);
# endif
#endif
-#if HAVE_SYS_SYSCALL_H
-# include <sys/syscall.h>
-#endif
-
#ifndef D_TYPE
# define D_TYPE(de) 0
#endif
@@ -1915,6 +1919,10 @@ X_THREAD_PROC (etp_proc)
struct timespec ts;
etp_worker *self = (etp_worker *)thr_arg;
+#if HAVE_PRCTL_SET_NAME
+ prctl (PR_SET_NAME, (unsigned long)"eio_thread", 0, 0, 0);
+#endif
+
/* try to distribute timeouts somewhat evenly */
ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
diff --git a/libeio.m4 b/libeio.m4
index fb6591b..59151f5 100644
--- a/libeio.m4
+++ b/libeio.m4
@@ -1,6 +1,6 @@
dnl openbsd in it's neverending brokenness requires stdint.h for intptr_t,
dnl but that header isn't very portable...
-AC_CHECK_HEADERS([stdint.h sys/syscall.h])
+AC_CHECK_HEADERS([stdint.h sys/syscall.h sys/prctl.h])
AC_SEARCH_LIBS(
pthread_create,
@@ -148,6 +148,16 @@ int main (void)
],ac_cv_sys_syncfs=yes,ac_cv_sys_syncfs=no)])
test $ac_cv_sys_syncfs = yes && AC_DEFINE(HAVE_SYS_SYNCFS, 1, syscall(__NR_syncfs) is available)
+AC_CACHE_CHECK(for prctl_set_name, ac_cv_prctl_set_name, [AC_LINK_IFELSE([
+#include <sys/prctl.h>
+int main (void)
+{
+ char name[] = "test123";
+ int res = prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0);
+}
+],ac_cv_prctl_set_name=yes,ac_cv_prctl_set_name=no)])
+test $ac_cv_prctl_set_name = yes && AC_DEFINE(HAVE_PRCTL_SET_NAME, 1, prctl(PR_SET_NAME) is available)
+
dnl #############################################################################
dnl # these checks exist for the benefit of IO::AIO
--
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