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-rw-r--r--pjlib/include/pj/compat/setjmp.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/pjlib/include/pj/compat/setjmp.h b/pjlib/include/pj/compat/setjmp.h
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+/* $Header: /pjproject-0.3/pjlib/include/pj/compat/setjmp.h 4 10/14/05 12:26a Bennylp $ */
+/* $Log: /pjproject-0.3/pjlib/include/pj/compat/setjmp.h $
+ *
+ * 4 10/14/05 12:26a Bennylp
+ * Finished error code framework, some fixes in ioqueue, etc. Pretty
+ * major.
+ *
+ * 3 9/22/05 10:31a Bennylp
+ * Moving all *.h files to include/.
+ *
+ * 2 9/21/05 1:39p Bennylp
+ * Periodic checkin for backup.
+ *
+ * 1 9/17/05 10:36a Bennylp
+ * Created.
+ *
+ */
+#ifndef __PJ_COMPAT_SETJMP_H__
+#define __PJ_COMPAT_SETJMP_H__
+
+/**
+ * @file setjmp.h
+ * @brief Provides setjmp.h functionality.
+ */
+
+#if defined(PJ_HAS_SETJMP_H) && PJ_HAS_SETJMP_H != 0
+# include <setjmp.h>
+ typedef jmp_buf pj_jmp_buf;
+# define pj_setjmp(buf) setjmp(buf)
+# define pj_longjmp(buf,d) longjmp(buf,d)
+
+#elif defined(PJ_LINUX_KERNEL) && PJ_LINUX_KERNEL != 0 && \
+ defined(PJ_M_I386) && PJ_M_I386 != 0
+
+ /*
+ * These are taken from uClibc.
+ * Copyright (C) 2000-2003 Erik Andersen <andersen@uclibc.org>
+ */
+# if defined __USE_MISC || defined _ASM
+# define JB_BX 0
+# define JB_SI 1
+# define JB_DI 2
+# define JB_BP 3
+# define JB_SP 4
+# define JB_PC 5
+# define JB_SIZE 24
+# endif
+
+# ifndef _ASM
+ typedef int __jmp_buf[6];
+
+ /* A `sigset_t' has a bit for each signal. */
+# define _SIGSET_NWORDS (1024 / (8 * sizeof (unsigned long int)))
+ typedef struct __sigset_t_tag
+ {
+ unsigned long int __val[_SIGSET_NWORDS];
+ } __sigset_t;
+
+ /* Calling environment, plus possibly a saved signal mask. */
+ typedef struct __jmp_buf_tag /* C++ doesn't like tagless structs. */
+ {
+ /* NOTE: The machine-dependent definitions of `__sigsetjmp'
+ assume that a `jmp_buf' begins with a `__jmp_buf' and that
+ `__mask_was_saved' follows it. Do not move these members
+ or add others before it. */
+ __jmp_buf __jmpbuf; /* Calling environment. */
+ int __mask_was_saved; /* Saved the signal mask? */
+ // we never saved the mask.
+ __sigset_t __saved_mask; /* Saved signal mask. */
+ } jmp_buf[1];
+
+ typedef jmp_buf sigjmp_buf;
+ typedef jmp_buf pj_jmp_buf;
+
+ PJ_DECL(int) pj_setjmp(pj_jmp_buf env);
+ PJ_DECL(void) pj_longjmp(pj_jmp_buf env, int val) __attribute__((noreturn));
+
+# endif /* _ASM */
+
+#else
+# warning "setjmp()/longjmp() is not implemented"
+ typedef int pj_jmp_buf[1];
+# define pj_setjmp(buf) 0
+# define pj_longjmp(buf,d) 0
+#endif
+
+
+#endif /* __PJ_COMPAT_SETJMP_H__ */
+