2 * Misc. functions for systems that don't have them
4 * Copyright 1996 Alexandre Julliard
12 #include <sys/types.h>
15 #include <sys/ioctl.h>
25 unsigned int usleep (unsigned int useconds) { DosSleep(useconds); }
27 unsigned int usleep (unsigned int useconds)
32 delay.tv_usec = useconds;
34 select( 0, 0, 0, 0, &delay );
38 #endif /* HAVE_USLEEP */
41 void *memmove( void *dest, const void *src, unsigned int len )
43 register char *dst = dest;
45 /* Use memcpy if not overlapping */
46 if ((dst + len <= (char *)src) || ((char *)src + len <= dst))
48 memcpy( dst, src, len );
50 /* Otherwise do it the hard way (FIXME: could do better than this) */
53 while (len--) *dst++ = *((char *)src)++;
58 src = (char *)src + len - 1;
59 while (len--) *dst-- = *((char *)src)--;
63 #endif /* HAVE_MEMMOVE */
66 const char *strerror( int err )
68 /* Let's hope we have sys_errlist then */
69 return sys_errlist[err];
71 #endif /* HAVE_STRERROR */
73 #if !defined(HAVE_CLONE) && defined(__linux__)
77 int clone( int (*fn)(void *), void *stack, int flags, void *arg )
81 void **stack_ptr = (void **)stack;
82 *--stack_ptr = arg; /* Push argument on stack */
83 *--stack_ptr = fn; /* Push function pointer (popped into ebx) */
84 __asm__ __volatile__( "pushl %%ebx\n\t"
87 "popl %%ebx\n\t" /* Contains fn in the child */
88 "testl %%eax,%%eax\n\t"
90 "call *%%ebx\n\t" /* Should never return */
91 "xorl %%eax,%%eax\n\t" /* Just in case it does*/
94 : "0" (SYS_clone), "r" (flags), "c" (stack_ptr) );
95 assert( ret ); /* If ret is 0, we returned from the child function */
96 if (ret > 0) return ret;
102 #endif /* __i386__ */
104 #endif /* !HAVE_CLONE && __linux__ */
108 * It looks like the openpty that comes with glibc in RedHat 5.0
109 * is buggy (second call returns what looks like a dup of 0 and 1
110 * instead of a new pty), this is a generic replacement.
112 /** We will have an autoconf check for this soon... */
114 int wine_openpty(int *master, int *slave, char *name,
115 struct termios *term, struct winsize *winsize)
120 strcpy (pts_name, "/dev/ptyXY");
122 for (ptr1 = "pqrstuvwxyzPQRST"; *ptr1 != 0; ptr1++) {
124 for (ptr2 = "0123456789abcdef"; *ptr2 != 0; ptr2++) {
127 if ((*master = open(pts_name, O_RDWR)) < 0) {
134 if ((*slave = open(pts_name, O_RDWR)) < 0) {
140 tcsetattr(*slave, TCSANOW, term);
142 ioctl(*slave, TIOCSWINSZ, winsize);
144 strcpy(name, pts_name);