1 files changed, 146 insertions, 154 deletions

diff --git a/hw/xfree86/os-support/shared/sigio.c b/hw/xfree86/os-support/shared/sigio.c
index 274a8ab7e..12ae8a480 100644
--- a/hw/xfree86/os-support/shared/sigio.c
+++ b/hw/xfree86/os-support/shared/sigio.c
@@ -56,146 +56,145 @@
 #include <xorg-config.h>
 #endif
 
-# include <X11/X.h>
-# include "xf86.h"
-# include "xf86Priv.h"
-# include "xf86_OSlib.h"
-# include "inputstr.h"
+#include <X11/X.h>
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86_OSlib.h"
+#include "inputstr.h"
 
 #ifdef HAVE_STROPTS_H
-# include <stropts.h>
+#include <stropts.h>
 #endif
 
 #ifdef MAXDEVICES
 /* MAXDEVICES represents the maximimum number of input devices usable
  * at the same time plus one entry for DRM support.
  */
-# define MAX_FUNCS   (MAXDEVICES + 1)
+#define MAX_FUNCS   (MAXDEVICES + 1)
 #else
-# define MAX_FUNCS 16
+#define MAX_FUNCS 16
 #endif
 
 typedef struct _xf86SigIOFunc {
-    void    (*f) (int, void *);
-    int	    fd;
-    void    *closure;
+    void (*f) (int, void *);
+    int fd;
+    void *closure;
 } Xf86SigIOFunc;
 
-static Xf86SigIOFunc	xf86SigIOFuncs[MAX_FUNCS];
-static int		xf86SigIOMax;
-static int		xf86SigIOMaxFd;
-static fd_set		xf86SigIOMask;
+static Xf86SigIOFunc xf86SigIOFuncs[MAX_FUNCS];
+static int xf86SigIOMax;
+static int xf86SigIOMaxFd;
+static fd_set xf86SigIOMask;
 
 /*
  * SIGIO gives no way of discovering which fd signalled, select
  * to discover
  */
 static void
-xf86SIGIO (int sig)
+xf86SIGIO(int sig)
 {
-    int	    i;
-    fd_set  ready;
-    struct timeval  to;
-    int save_errno = errno;	/* do not clobber the global errno */
-    int	    r;
+    int i;
+    fd_set ready;
+    struct timeval to;
+    int save_errno = errno;     /* do not clobber the global errno */
+    int r;
 
     ready = xf86SigIOMask;
     to.tv_sec = 0;
     to.tv_usec = 0;
-    SYSCALL (r = select (xf86SigIOMaxFd, &ready, 0, 0, &to));
+    SYSCALL(r = select(xf86SigIOMaxFd, &ready, 0, 0, &to));
     for (i = 0; r > 0 && i < xf86SigIOMax; i++)
-	if (xf86SigIOFuncs[i].f && FD_ISSET (xf86SigIOFuncs[i].fd, &ready))
-	{
-	    (*xf86SigIOFuncs[i].f)(xf86SigIOFuncs[i].fd,
-				   xf86SigIOFuncs[i].closure);
-	    r--;
-	}
+        if (xf86SigIOFuncs[i].f && FD_ISSET(xf86SigIOFuncs[i].fd, &ready)) {
+            (*xf86SigIOFuncs[i].f) (xf86SigIOFuncs[i].fd,
+                                    xf86SigIOFuncs[i].closure);
+            r--;
+        }
     if (r > 0) {
-      xf86Msg(X_ERROR, "SIGIO %d descriptors not handled\n", r);
+        xf86Msg(X_ERROR, "SIGIO %d descriptors not handled\n", r);
     }
     /* restore global errno */
     errno = save_errno;
 }
 
 static int
-xf86IsPipe (int fd)
+xf86IsPipe(int fd)
 {
-    struct stat	buf;
-    
-    if (fstat (fd, &buf) < 0)
-	return 0;
+    struct stat buf;
+
+    if (fstat(fd, &buf) < 0)
+        return 0;
     return S_ISFIFO(buf.st_mode);
 }
 
 int
-xf86InstallSIGIOHandler(int fd, void (*f)(int, void *), void *closure)
+xf86InstallSIGIOHandler(int fd, void (*f) (int, void *), void *closure)
 {
     struct sigaction sa;
     struct sigaction osa;
-    int	i;
+    int i;
     int blocked;
     int installed = FALSE;
 
     if (!xf86Info.useSIGIO)
-	return 0;
+        return 0;
 
-    for (i = 0; i < MAX_FUNCS; i++)
-    {
-	if (!xf86SigIOFuncs[i].f)
-	{
-	    if (xf86IsPipe (fd))
-		return 0;
-	    blocked = xf86BlockSIGIO();
+    for (i = 0; i < MAX_FUNCS; i++) {
+        if (!xf86SigIOFuncs[i].f) {
+            if (xf86IsPipe(fd))
+                return 0;
+            blocked = xf86BlockSIGIO();
 #ifdef O_ASYNC
-	    if (fcntl(fd, F_SETFL, fcntl(fd, F_GETFL) | O_ASYNC) == -1) {
-		xf86Msg(X_WARNING, "fcntl(%d, O_ASYNC): %s\n",
-			fd, strerror(errno));
-	    } else {
-		if (fcntl(fd, F_SETOWN, getpid()) == -1) {
-		    xf86Msg(X_WARNING, "fcntl(%d, F_SETOWN): %s\n",
-			    fd, strerror(errno));
-		} else {
-		    installed = TRUE;
-		}
-	    }
+            if (fcntl(fd, F_SETFL, fcntl(fd, F_GETFL) | O_ASYNC) == -1) {
+                xf86Msg(X_WARNING, "fcntl(%d, O_ASYNC): %s\n",
+                        fd, strerror(errno));
+            }
+            else {
+                if (fcntl(fd, F_SETOWN, getpid()) == -1) {
+                    xf86Msg(X_WARNING, "fcntl(%d, F_SETOWN): %s\n",
+                            fd, strerror(errno));
+                }
+                else {
+                    installed = TRUE;
+                }
+            }
 #endif
-#ifdef I_SETSIG /* System V Streams - used on Solaris for input devices */
-	    if (!installed && isastream(fd)) {
-		if (ioctl(fd, I_SETSIG, S_INPUT | S_ERROR | S_HANGUP) == -1) {
-		    xf86Msg(X_WARNING, "fcntl(%d, I_SETSIG): %s\n",
-			    fd, strerror(errno));
-		} else {
-		    installed = TRUE;
-		}
-	    }
+#ifdef I_SETSIG                 /* System V Streams - used on Solaris for input devices */
+            if (!installed && isastream(fd)) {
+                if (ioctl(fd, I_SETSIG, S_INPUT | S_ERROR | S_HANGUP) == -1) {
+                    xf86Msg(X_WARNING, "fcntl(%d, I_SETSIG): %s\n",
+                            fd, strerror(errno));
+                }
+                else {
+                    installed = TRUE;
+                }
+            }
 #endif
-	    if (!installed) {
-		xf86UnblockSIGIO(blocked);
-		return 0;
-	    }
-	    sigemptyset(&sa.sa_mask);
-	    sigaddset(&sa.sa_mask, SIGIO);
-	    sa.sa_flags   = 0;
-	    sa.sa_handler = xf86SIGIO;
-	    sigaction(SIGIO, &sa, &osa);
-	    xf86SigIOFuncs[i].fd = fd;
-	    xf86SigIOFuncs[i].closure = closure;
-	    xf86SigIOFuncs[i].f = f;
-	    if (i >= xf86SigIOMax)
-		xf86SigIOMax = i+1;
-	    if (fd >= xf86SigIOMaxFd)
-		xf86SigIOMaxFd = fd + 1;
-	    FD_SET (fd, &xf86SigIOMask);
-	    xf86UnblockSIGIO(blocked);
-	    return 1;
-	}
- 	/* Allow overwriting of the closure and callback */
- 	else if (xf86SigIOFuncs[i].fd == fd)
- 	{
- 	    xf86SigIOFuncs[i].closure = closure;
- 	    xf86SigIOFuncs[i].f = f;
- 	    return 1;
- 	}
+            if (!installed) {
+                xf86UnblockSIGIO(blocked);
+                return 0;
+            }
+            sigemptyset(&sa.sa_mask);
+            sigaddset(&sa.sa_mask, SIGIO);
+            sa.sa_flags = 0;
+            sa.sa_handler = xf86SIGIO;
+            sigaction(SIGIO, &sa, &osa);
+            xf86SigIOFuncs[i].fd = fd;
+            xf86SigIOFuncs[i].closure = closure;
+            xf86SigIOFuncs[i].f = f;
+            if (i >= xf86SigIOMax)
+                xf86SigIOMax = i + 1;
+            if (fd >= xf86SigIOMaxFd)
+                xf86SigIOMaxFd = fd + 1;
+            FD_SET(fd, &xf86SigIOMask);
+            xf86UnblockSIGIO(blocked);
+            return 1;
+        }
+        /* Allow overwriting of the closure and callback */
+        else if (xf86SigIOFuncs[i].fd == fd) {
+            xf86SigIOFuncs[i].closure = closure;
+            xf86SigIOFuncs[i].f = f;
+            return 1;
+        }
     }
     return 0;
 }
@@ -205,105 +204,98 @@ xf86RemoveSIGIOHandler(int fd)
 {
     struct sigaction sa;
     struct sigaction osa;
-    int	i;
+    int i;
     int max;
     int maxfd;
     int ret;
 
     if (!xf86Info.useSIGIO)
-	return 0;
+        return 0;
 
     max = 0;
     maxfd = -1;
     ret = 0;
-    for (i = 0; i < MAX_FUNCS; i++)
-    {
-	if (xf86SigIOFuncs[i].f)
-	{
-	    if (xf86SigIOFuncs[i].fd == fd)
-	    {
-		xf86SigIOFuncs[i].f = 0;
-		xf86SigIOFuncs[i].fd = 0;
-		xf86SigIOFuncs[i].closure = 0;
-		FD_CLR (fd, &xf86SigIOMask);
-		ret = 1;
-	    }
-	    else
-	    {
-		max = i + 1;
-		if (xf86SigIOFuncs[i].fd >= maxfd)
-		    maxfd = xf86SigIOFuncs[i].fd + 1;
-	    }
-	}
+    for (i = 0; i < MAX_FUNCS; i++) {
+        if (xf86SigIOFuncs[i].f) {
+            if (xf86SigIOFuncs[i].fd == fd) {
+                xf86SigIOFuncs[i].f = 0;
+                xf86SigIOFuncs[i].fd = 0;
+                xf86SigIOFuncs[i].closure = 0;
+                FD_CLR(fd, &xf86SigIOMask);
+                ret = 1;
+            }
+            else {
+                max = i + 1;
+                if (xf86SigIOFuncs[i].fd >= maxfd)
+                    maxfd = xf86SigIOFuncs[i].fd + 1;
+            }
+        }
     }
-    if (ret)
-    {
+    if (ret) {
 #ifdef O_ASYNC
-	fcntl(fd, F_SETFL, fcntl(fd, F_GETFL) & ~O_ASYNC);
+        fcntl(fd, F_SETFL, fcntl(fd, F_GETFL) & ~O_ASYNC);
 #endif
 #ifdef I_SETSIG
-	if (isastream(fd)) {
-	    if (ioctl(fd, I_SETSIG, 0) == -1) {
-		xf86Msg(X_WARNING, "fcntl(%d, I_SETSIG, 0): %s\n",
-			fd, strerror(errno));
-	    }
-	}
+        if (isastream(fd)) {
+            if (ioctl(fd, I_SETSIG, 0) == -1) {
+                xf86Msg(X_WARNING, "fcntl(%d, I_SETSIG, 0): %s\n",
+                        fd, strerror(errno));
+            }
+        }
 #endif
-	xf86SigIOMax = max;
-	xf86SigIOMaxFd = maxfd;
-	if (!max)
-	{
-	    sigemptyset(&sa.sa_mask);
-	    sigaddset(&sa.sa_mask, SIGIO);
-	    sa.sa_flags   = 0;
-	    sa.sa_handler = SIG_IGN;
-	    sigaction(SIGIO, &sa, &osa);
-	}
+        xf86SigIOMax = max;
+        xf86SigIOMaxFd = maxfd;
+        if (!max) {
+            sigemptyset(&sa.sa_mask);
+            sigaddset(&sa.sa_mask, SIGIO);
+            sa.sa_flags = 0;
+            sa.sa_handler = SIG_IGN;
+            sigaction(SIGIO, &sa, &osa);
+        }
     }
     return ret;
 }
 
 int
-xf86BlockSIGIO (void)
+xf86BlockSIGIO(void)
 {
-    sigset_t	set, old;
-    int		ret;
-    
-    sigemptyset (&set);
-    sigaddset (&set, SIGIO);
-    sigprocmask (SIG_BLOCK, &set, &old);
-    ret = sigismember (&old, SIGIO);
-    return ret; 
+    sigset_t set, old;
+    int ret;
+
+    sigemptyset(&set);
+    sigaddset(&set, SIGIO);
+    sigprocmask(SIG_BLOCK, &set, &old);
+    ret = sigismember(&old, SIGIO);
+    return ret;
 }
 
 void
-xf86UnblockSIGIO (int wasset)
+xf86UnblockSIGIO(int wasset)
 {
-    sigset_t	set;
+    sigset_t set;
 
-    if (!wasset)
-    {
-	sigemptyset (&set);
-	sigaddset (&set, SIGIO);
-	sigprocmask (SIG_UNBLOCK, &set, NULL);
+    if (!wasset) {
+        sigemptyset(&set);
+        sigaddset(&set, SIGIO);
+        sigprocmask(SIG_UNBLOCK, &set, NULL);
     }
 }
 
 void
-xf86AssertBlockedSIGIO (char *where)
+xf86AssertBlockedSIGIO(char *where)
 {
-    sigset_t	set, old;
+    sigset_t set, old;
 
-    sigemptyset (&set);
-    sigprocmask (SIG_BLOCK, &set, &old);
-    if (!sigismember (&old, SIGIO))
-	xf86Msg (X_ERROR, "SIGIO not blocked at %s\n", where);
+    sigemptyset(&set);
+    sigprocmask(SIG_BLOCK, &set, &old);
+    if (!sigismember(&old, SIGIO))
+        xf86Msg(X_ERROR, "SIGIO not blocked at %s\n", where);
 }
 
 /* XXX This is a quick hack for the benefit of xf86SetSilkenMouse() */
 
 int
-xf86SIGIOSupported (void)
+xf86SIGIOSupported(void)
 {
     return 1;
 }