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posix_spawnattr_init() no longer pre-fills attr->stacksize and attr->priority (it leaves them zero, as memset already does). When a caller does not set them, the binary loader supplies them from the loaded ELF (binp->stacksize / binp->priority, parsed from the nx_* symbols), and nxtask_spawn_exec() falls back to the parent priority and CONFIG_POSIX_SPAWN_DEFAULT_STACKSIZE for the posix_spawn() function-task path. This lets an application's stack size and priority embedded as ELF symbols actually drive the spawned task, instead of being overridden by the spawnattr defaults. Signed-off-by: anjiahao <anjiahao@xiaomi.com> |
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