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Diffstat (limited to 'nsprpub/pr/include/md/_bsdi.h')
| -rw-r--r-- | nsprpub/pr/include/md/_bsdi.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/nsprpub/pr/include/md/_bsdi.h b/nsprpub/pr/include/md/_bsdi.h new file mode 100644 index 0000000000..99655dc3f2 --- /dev/null +++ b/nsprpub/pr/include/md/_bsdi.h @@ -0,0 +1,181 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nspr_bsdi_defs_h___ +#define nspr_bsdi_defs_h___ + +/* + * Internal configuration macros + */ + +#include <sys/param.h> /* for _BSDI_VERSION */ + +#define PR_LINKER_ARCH "bsdi" +#define _PR_SI_SYSNAME "BSDI" +#if defined(__i386__) +#define _PR_SI_ARCHITECTURE "x86" +#elif defined(__sparc__) +#define _PR_SI_ARCHITECTURE "sparc" +#else +#error "Unknown CPU architecture" +#endif +#define PR_DLL_SUFFIX ".so" + +#define _PR_STACK_VMBASE 0x50000000 +#define _MD_DEFAULT_STACK_SIZE 65536L +#define _MD_MMAP_FLAGS MAP_PRIVATE + +#define HAVE_BSD_FLOCK +#define NEED_TIME_R +#define _PR_HAVE_SOCKADDR_LEN +#define _PR_NO_LARGE_FILES + +#define USE_SETJMP + +/* BSD/OS 4.3 and newer all have IPv6 support */ +#if _BSDI_VERSION >= 200105 +#define _PR_INET6 +#define _PR_HAVE_INET_NTOP +#define _PR_HAVE_GETIPNODEBYNAME +#define _PR_HAVE_GETIPNODEBYADDR +#define _PR_HAVE_GETADDRINFO +#define _PR_INET6_PROBE +#endif + +#ifndef _PR_PTHREADS + +#include <setjmp.h> + +#if defined(_PR_BSDI_JMPBUF_IS_ARRAY) +#define _MD_GET_SP(_t) (_t)->md.context[2] +#elif defined(_PR_BSDI_JMPBUF_IS_STRUCT) +#define _MD_GET_SP(_t) (_t)->md.context[0].jb_esp +#else +#error "Unknown BSDI jmp_buf type" +#endif + +#define PR_NUM_GCREGS _JBLEN +#define PR_CONTEXT_TYPE jmp_buf + +#define CONTEXT(_th) ((_th)->md.context) + +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ +{ \ + *status = PR_TRUE; \ + if (setjmp(CONTEXT(_thread))) { \ + _main(); \ + } \ + _MD_GET_SP(_thread) = (int) (_sp - 64); \ +} + +#define _MD_SWITCH_CONTEXT(_thread) \ + if (!setjmp(CONTEXT(_thread))) { \ + (_thread)->md.errcode = errno; \ + _PR_Schedule(); \ + } + +/* +** Restore a thread context, saved by _MD_SWITCH_CONTEXT +*/ +#define _MD_RESTORE_CONTEXT(_thread) \ +{ \ + errno = (_thread)->md.errcode; \ + _MD_SET_CURRENT_THREAD(_thread); \ + longjmp(CONTEXT(_thread), 1); \ +} + +/* Machine-dependent (MD) data structures */ + +struct _MDThread { + PR_CONTEXT_TYPE context; + int id; + int errcode; +}; + +struct _MDThreadStack { + PRInt8 notused; +}; + +struct _MDLock { + PRInt8 notused; +}; + +struct _MDSemaphore { + PRInt8 notused; +}; + +struct _MDCVar { + PRInt8 notused; +}; + +struct _MDSegment { + PRInt8 notused; +}; + +/* + * md-specific cpu structure field + */ +#define _PR_MD_MAX_OSFD FD_SETSIZE + +struct _MDCPU_Unix { + PRCList ioQ; + PRUint32 ioq_timeout; + PRInt32 ioq_max_osfd; + PRInt32 ioq_osfd_cnt; +#ifndef _PR_USE_POLL + fd_set fd_read_set, fd_write_set, fd_exception_set; + PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], + fd_exception_cnt[_PR_MD_MAX_OSFD]; +#else + struct pollfd *ioq_pollfds; + int ioq_pollfds_size; +#endif /* _PR_USE_POLL */ +}; + +#define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) +#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) +#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) +#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) +#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) +#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) +#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) +#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) +#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) +#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) +#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) +#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) +#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) + +#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 + +struct _MDCPU { + struct _MDCPU_Unix md_unix; +}; + +#define _MD_INIT_LOCKS() +#define _MD_NEW_LOCK(lock) PR_SUCCESS +#define _MD_FREE_LOCK(lock) +#define _MD_LOCK(lock) +#define _MD_UNLOCK(lock) +#define _MD_INIT_IO() +#define _MD_IOQ_LOCK() +#define _MD_IOQ_UNLOCK() + +#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) +#define _MD_INIT_THREAD _MD_InitializeThread +#define _MD_EXIT_THREAD(thread) +#define _MD_CLEAN_THREAD(_thread) + +#endif /* ! _PR_PTHREADS */ + +#define _MD_EARLY_INIT _MD_EarlyInit +#define _MD_FINAL_INIT _PR_UnixInit + +#include <sys/syscall.h> +#define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv) + +#define _MD_INTERVAL_USE_GTOD + +#endif /* nspr_bsdi_defs_h___ */ |