49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
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#include "ipc.h"
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/**
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* PERFORMANCE POINT:
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* Realloc is performed at each new user. There is plenty of room for improvement,
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* for example by managing allocations of thousands of structures at once.
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* WARNING: Store and remove only pointers on allocated structures.
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*/
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struct ipc_error ipc_ctx_new_alloc (struct ipc_ctx *ctx)
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{
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ctx->size++;
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// Memory could be not allocated, yet.
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if (ctx->size == 1 && ctx->cinfos == NULL && ctx->pollfd == NULL) {
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SECURE_BUFFER_HEAP_ALLOCATION_R (ctx->cinfos, sizeof (struct ipc_connection_info),,
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IPC_ERROR_ADD__MALLOC);
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SECURE_BUFFER_HEAP_ALLOCATION_R (ctx->pollfd, sizeof (struct pollfd),, IPC_ERROR_ADD__MALLOC_POLLFD);
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} else {
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ctx->cinfos = realloc (ctx->cinfos, sizeof (struct ipc_connection_info) * ctx->size);
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ctx->pollfd = realloc (ctx->pollfd, sizeof (struct pollfd ) * ctx->size);
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}
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T_R ((ctx->cinfos == NULL), IPC_ERROR_ADD__EMPTY_LIST);
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T_R ((ctx->pollfd == NULL), IPC_ERROR_ADD__EMPTY_LIST);
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// Clean the last entry.
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memset (&ctx->cinfos[ctx->size -1], 0, sizeof (struct ipc_connection_info));
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memset (&ctx->pollfd[ctx->size -1], 0, sizeof (struct pollfd));
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IPC_RETURN_NO_ERROR;
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}
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void ipc_ctx_free (struct ipc_ctx *ctx)
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{
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if (ctx->cinfos != NULL) {
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free (ctx->cinfos);
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ctx->cinfos = NULL;
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}
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if (ctx->pollfd != NULL) {
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free (ctx->pollfd);
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ctx->pollfd = NULL;
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}
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ctx->size = 0;
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ipc_switching_free(&ctx->switchdb);
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ipc_messages_free (&ctx->tx);
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}
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