8cbd3957fb
for homebrew PSP development. WWW: http://www.ps2dev.org PR: ports/132323, ports/132324, ports/132325, ports/132326 ports/132327, ports/132328, ports/132329, ports/132330 Submitted by: Tassilo Philipp <tphilipp@potion-studios.com>
118 lines
3.4 KiB
C
118 lines
3.4 KiB
C
--- newlib/libc/sys/psp/fdman.c.orig 1970-01-01 02:00:00.000000000 +0200
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+++ newlib/libc/sys/psp/fdman.c 2007-06-01 12:22:26.000000000 +0300
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@@ -0,0 +1,115 @@
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+/*
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+ * PSP Software Development Kit - http://www.pspdev.org
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+ * -----------------------------------------------------------------------
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+ * Licensed under the BSD license, see LICENSE in PSPSDK root for details.
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+ *
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+ * fdman.c - File descriptor management.
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+ *
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+ * Copyright (c) 2006 Rafael Cabezas <rafpsp@gmail.com>
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+ */
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+#include <psptypes.h>
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+#include <errno.h>
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+#include "fdman.h"
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+
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+extern int pspDisableInterrupts();
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+extern void pspEnableInterrupts(int);
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+
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+static __psp_descriptormap_type __psp_descriptor_data_pool[__PSP_FILENO_MAX];
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+__psp_descriptormap_type *__psp_descriptormap [__PSP_FILENO_MAX];
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+
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+void __psp_fdman_init()
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+{
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+ int scefd;
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+
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+ /* Initialize descriptor data*/
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+ memset(__psp_descriptor_data_pool, 0, sizeof(__psp_descriptormap_type) *__PSP_FILENO_MAX);
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+ /* Initialize descriptor map*/
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+ memset(__psp_descriptormap, 0, sizeof(__psp_descriptormap_type*)*__PSP_FILENO_MAX);
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+
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+ scefd = sceKernelStdin();
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+ if ((scefd >= 0) && (scefd < __PSP_FILENO_MAX)) {
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+ __psp_descriptormap[0] = &__psp_descriptor_data_pool[0];
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+ __psp_descriptormap[0]->sce_descriptor = scefd;
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+ __psp_descriptormap[0]->type = __PSP_DESCRIPTOR_TYPE_TTY;
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+ }
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+ scefd = sceKernelStdout();
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+ if ((scefd >= 0) && (scefd < __PSP_FILENO_MAX)) {
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+ __psp_descriptormap[1] = &__psp_descriptor_data_pool[1];
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+ __psp_descriptormap[1]->sce_descriptor = scefd;
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+ __psp_descriptormap[1]->type = __PSP_DESCRIPTOR_TYPE_TTY;
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+ }
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+ scefd = sceKernelStderr();
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+ if ((scefd >= 0) && (scefd < __PSP_FILENO_MAX)) {
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+ __psp_descriptormap[2] = &__psp_descriptor_data_pool[2];
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+ __psp_descriptormap[2]->sce_descriptor = scefd;
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+ __psp_descriptormap[2]->type = __PSP_DESCRIPTOR_TYPE_TTY;
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+ }
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+}
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+
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+int __psp_fdman_get_new_descriptor()
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+{
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+ int i = 0;
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+ int inten;
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+
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+ inten = pspDisableInterrupts(); /* lock here to make thread safe */
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+ for (i = 0; i < __PSP_FILENO_MAX; i++) {
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+ if (__psp_descriptormap[i] == NULL) {
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+ __psp_descriptormap[i] = &__psp_descriptor_data_pool[i];
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+ __psp_descriptormap[i]->ref_count++;
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+ pspEnableInterrupts(inten); /* release lock */
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+ return i;
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+ }
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+ }
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+ pspEnableInterrupts(inten); /* release lock */
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+
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+ errno = ENOMEM;
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+ return -1;
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+}
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+
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+int __psp_fdman_get_dup_descriptor(int fd)
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+{
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+ int i = 0;
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+ int inten;
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+
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+ if (!__PSP_IS_FD_VALID(fd)) {
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+ errno = EBADF;
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+ return -1;
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+ }
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+
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+ inten = pspDisableInterrupts(); /* lock here to make thread safe */
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+ for (i = 0; i < __PSP_FILENO_MAX; i++) {
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+ if (__psp_descriptormap[i] == NULL) {
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+ __psp_descriptormap[i] = &__psp_descriptor_data_pool[fd];
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+ __psp_descriptormap[i]->ref_count++;
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+ pspEnableInterrupts(inten); /* release lock */
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+ return i;
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+ }
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+ }
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+ pspEnableInterrupts(inten); /* release lock */
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+
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+ errno = ENOMEM;
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+ return -1;
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+}
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+
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+void __psp_fdman_release_descriptor(int fd)
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+{
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+ if (!__PSP_IS_FD_VALID(fd)) {
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+ errno = EBADF;
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+ return;
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+ }
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+
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+ __psp_descriptormap[fd]->ref_count--;
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+
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+ if (__psp_descriptormap[fd]->ref_count == 0) {
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+
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+ if (__psp_descriptormap[fd]->filename != NULL) {
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+ free(__psp_descriptormap[fd]->filename);
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+ }
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+ __psp_descriptormap[fd]->filename = NULL;
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+ __psp_descriptormap[fd]->sce_descriptor = 0;
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+ __psp_descriptormap[fd]->type = 0;
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+ __psp_descriptormap[fd]->flags = 0;
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+
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+ }
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+ __psp_descriptormap[fd] = NULL;
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+}
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