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author | Alex Auvolat <alex.auvolat@ens.fr> | 2014-12-26 12:37:30 +0100 |
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committer | Alex Auvolat <alex.auvolat@ens.fr> | 2014-12-26 12:37:30 +0100 |
commit | a5dfdd2b3fa91a2cda4f807c88bd35928e3c7a61 (patch) | |
tree | 86bbe5558fe35b7263bd2c7859dfb9b4cb634073 /kernel/include/buffer.h | |
parent | 8c247352543c50204314efeb988f9f59d84f5019 (diff) | |
download | macroscope-master.tar.gz macroscope-master.zip |
Diffstat (limited to 'kernel/include/buffer.h')
-rw-r--r-- | kernel/include/buffer.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/include/buffer.h b/kernel/include/buffer.h index 577ceae..c47e2b4 100644 --- a/kernel/include/buffer.h +++ b/kernel/include/buffer.h @@ -7,6 +7,8 @@ // enabling the creation, sharing, slicing and concatenation of buffers // without having to copy everything each time +// Buffers are always allocated on the core kernel heap (kmalloc/kfree) + // Once a buffer is allocated, its contents is immutable // Encoding and decoding functions for buffer contents are provided in @@ -22,7 +24,7 @@ size_t buffer_len(buffer_t* buf); size_t read_buffer(buffer_t* buf, char* to, size_t begin, size_t n); // returns num of bytes read buffer_t* buffer_from_bytes(const char* data, size_t n); // bytes are COPIED -buffer_t* buffer_from_bytes_nocopy(const char* data, size_t n); // bytes are NOT COPIED +buffer_t* buffer_from_bytes_nocopy(const char* data, size_t n, bool own_bytes); // bytes are NOT COPIED // these functions GIVE the buffer in order to create the new buffer, ie they do not increase RC // the buffer is NOT GIVED if the new buffer could not be created (ie retval == 0) |