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Diffstat (limited to 'nsprpub/pr/src/misc/pripc.c')
-rw-r--r-- | nsprpub/pr/src/misc/pripc.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/nsprpub/pr/src/misc/pripc.c b/nsprpub/pr/src/misc/pripc.c new file mode 100644 index 000000000..e41a2afcf --- /dev/null +++ b/nsprpub/pr/src/misc/pripc.c @@ -0,0 +1,100 @@ +/* -*- 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/. */ + +/* + * File: pripc.c + * + * Description: functions for IPC support + */ + +#include "primpl.h" + +#include <string.h> + +/* + * A POSIX IPC name must begin with a '/'. + * A POSIX IPC name on Solaris cannot contain any '/' except + * the required leading '/'. + * A POSIX IPC name on HP-UX and OSF1 must be a valid pathname + * in the file system. + * + * The ftok() function for System V IPC requires a valid pathname + * in the file system. + * + * A Win32 IPC name cannot contain '\'. + */ + +static void _pr_ConvertSemName(char *result) +{ +#ifdef _PR_HAVE_POSIX_SEMAPHORES +#if defined(SOLARIS) + char *p; + + /* Convert '/' to '_' except for the leading '/' */ + for (p = result+1; *p; p++) { + if (*p == '/') { + *p = '_'; + } + } + return; +#else + return; +#endif +#elif defined(_PR_HAVE_SYSV_SEMAPHORES) + return; +#elif defined(WIN32) + return; +#endif +} + +static void _pr_ConvertShmName(char *result) +{ +#if defined(PR_HAVE_POSIX_NAMED_SHARED_MEMORY) +#if defined(SOLARIS) + char *p; + + /* Convert '/' to '_' except for the leading '/' */ + for (p = result+1; *p; p++) { + if (*p == '/') { + *p = '_'; + } + } + return; +#else + return; +#endif +#elif defined(PR_HAVE_SYSV_NAMED_SHARED_MEMORY) + return; +#elif defined(WIN32) + return; +#else + return; +#endif +} + +PRStatus _PR_MakeNativeIPCName( + const char *name, + char *result, + PRIntn size, + _PRIPCType type) +{ + if (strlen(name) >= (PRSize)size) { + PR_SetError(PR_BUFFER_OVERFLOW_ERROR, 0); + return PR_FAILURE; + } + strcpy(result, name); + switch (type) { + case _PRIPCSem: + _pr_ConvertSemName(result); + break; + case _PRIPCShm: + _pr_ConvertShmName(result); + break; + default: + PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0); + return PR_FAILURE; + } + return PR_SUCCESS; +} |